https://www.sciencedaily.com/news/health_medicine/cancer/ Read the latest medical research on risk factors for cancer, cancer symptoms, treatments and more. Updated daily. en-us Fri, 16 Oct 2026 08:50:30 EDT Fri, 16 Oct 2026 08:50:30 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/health_medicine/cancer/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/10/261015073203.htm Scientists have discovered how to turn a protein that normally fuels cancer growth into a weapon against it. By activating PPARD in immune cells, researchers made them better at burning fat and attacking tumors, slowing or stopping cancer growth in laboratory experiments. The approach showed promise against colorectal, breast, and ovarian cancers, as well as melanoma. Fri, 16 Oct 2026 00:51:38 EDT https://www.sciencedaily.com/releases/2026/10/261015073203.htm https://www.sciencedaily.com/releases/2026/10/261015003803.htm USC scientists have discovered a way to create a potentially renewable supply of genetically engineered immune cells that can attack cancer and strengthen the body's natural defenses. By growing and modifying immature immune cells rather than mature ones, researchers developed a system that can continuously produce tumor-fighting cells inside the body. Fri, 16 Oct 2026 08:46:50 EDT https://www.sciencedaily.com/releases/2026/10/261015003803.htm https://www.sciencedaily.com/releases/2026/10/261013015837.htm A major study found that several cancers are rising faster among younger adults in England, even as smoking, diet, and other established risk factors have generally improved. Excess weight explains only part of the increase, leaving scientists searching for other possible causes, including changes in the gut microbiome and early-life exposures. Wed, 14 Oct 2026 18:03:26 EDT https://www.sciencedaily.com/releases/2026/10/261013015837.htm https://www.sciencedaily.com/releases/2026/10/261013015835.htm Scientists have discovered that unusually small cancer cells carrying extra chromosomes can be far more aggressive than larger ones, growing faster, spreading more readily, and resisting common treatments. The surprising finding could help explain why some tumors are especially dangerous and provide a new way to predict cancer outcomes. Thu, 15 Oct 2026 07:27:40 EDT https://www.sciencedaily.com/releases/2026/10/261013015835.htm https://www.sciencedaily.com/releases/2026/10/261007232940.htm Not all vitamin D supplements are created equal, and new research suggests that one popular form may have an unexpected downside. Scientists found that taking vitamin D2 can actually lower the body's levels of vitamin D3, the form naturally produced by sunlight and more effective at boosting overall vitamin D. Previous studies also suggest that vitamin D3 may provide stronger immune protection against viruses and bacteria. Thu, 08 Oct 2026 00:06:26 EDT https://www.sciencedaily.com/releases/2026/10/261007232940.htm https://www.sciencedaily.com/releases/2026/10/261007042115.htm A short course of immunotherapy before surgery may offer remarkably durable protection for some patients with stage two or three bowel cancer. In the NEOPRISM-CRC trial, 32 patients with a specific genetic form of bowel cancer received pembrolizumab for up to nine weeks before surgery instead of the usual post-surgery chemotherapy. After nearly three years of follow-up, none of the patients had experienced a cancer recurrence, including those who still had small traces of disease after treatment. Sat, 10 Oct 2026 14:42:35 EDT https://www.sciencedaily.com/releases/2026/10/261007042115.htm https://www.sciencedaily.com/releases/2026/10/261007042059.htm Eating more sugar while taking antibiotics was linked to greater disruption of the gut microbiome and increased growth of potentially harmful bacteria. Researchers say temporarily cutting back on sweets during and after antibiotic treatment could be a simple way to reduce this damage, though clinical trials are still needed. Wed, 07 Oct 2026 09:06:21 EDT https://www.sciencedaily.com/releases/2026/10/261007042059.htm https://www.sciencedaily.com/releases/2026/10/261006234534.htm Chronic diabetic wounds may fail to heal because immune cells remain locked in damaging inflammatory states instead of transitioning toward tissue repair. Researchers are exploring treatments that reprogram these immune responses, raising hopes for more targeted and effective therapies for diabetic ulcers. Fri, 09 Oct 2026 23:00:35 EDT https://www.sciencedaily.com/releases/2026/10/261006234534.htm https://www.sciencedaily.com/releases/2026/10/261005071533.htm A Stanford-designed molecule turns a major lymphoma-promoting protein against cancer cells, activating their own self-destruct machinery instead of simply blocking tumor growth. In mice, the treatment completely eliminated aggressive human lymphoma tumors within 11 days, although much more testing is needed before it could reach patients. Wed, 07 Oct 2026 20:52:42 EDT https://www.sciencedaily.com/releases/2026/10/261005071533.htm https://www.sciencedaily.com/releases/2026/10/261005071532.htm Scientists at UC San Francisco have developed a way to create cancer-fighting CAR-T cells directly inside the body, potentially avoiding the slow and extremely expensive process of removing, engineering, and reinfusing a patient’s immune cells. Using a two-particle delivery system, the researchers sent CRISPR gene-editing tools and new cancer-targeting DNA specifically into T cells, where the DNA was inserted at a precise location in the genome. Wed, 07 Oct 2026 05:50:16 EDT https://www.sciencedaily.com/releases/2026/10/261005071532.htm https://www.sciencedaily.com/releases/2026/10/261005071515.htm Blocking a receptor called P2X7 significantly reduced inflammation in human brain tissue, revealing a potential new treatment strategy for neurological and psychiatric disorders. The discovery could help researchers repurpose existing drugs for conditions including traumatic brain injury, Alzheimer’s, Parkinson’s, depression, and schizophrenia. Wed, 07 Oct 2026 08:13:35 EDT https://www.sciencedaily.com/releases/2026/10/261005071515.htm https://www.sciencedaily.com/releases/2026/10/261002080037.htm A ketogenic diet increased small-intestinal tumors in cancer-prone mice while reducing tumors in the colon, revealing a strikingly different response within neighboring parts of the gut. Researchers traced the increased risk not to ketones, but to the way intestinal stem cells processed the diet’s high levels of fat. That fat-burning activity pushed the cells to multiply more rapidly, potentially raising the chance of cancerous changes. Mon, 05 Oct 2026 21:18:45 EDT https://www.sciencedaily.com/releases/2026/10/261002080037.htm https://www.sciencedaily.com/releases/2026/10/261001214129.htm A new nanoparticle therapy reduced lung tumors in mice while also targeting cachexia, the severe muscle wasting that can accompany cancer. By delivering follistatin mRNA directly to tumors, the approach could eventually offer a way to fight both the disease and one of its most dangerous complications. Mon, 05 Oct 2026 07:11:21 EDT https://www.sciencedaily.com/releases/2026/10/261001214129.htm https://www.sciencedaily.com/releases/2026/10/261001214127.htm Cancer immunotherapy can lose its punch when tumor-fighting T cells become exhausted, but researchers may have found a way to keep them going longer. Scientists at Memorial Sloan Kettering Cancer Center identified a signaling molecule called MEK that can push T cells to burn through their energy while producing cancer-killing proteins. In animal and laboratory studies, blocking MEK helped the cells conserve energy, survive longer, and remain active even in the harsh environment around tumors. Mon, 05 Oct 2026 05:24:29 EDT https://www.sciencedaily.com/releases/2026/10/261001214127.htm https://www.sciencedaily.com/releases/2026/10/261001095423.htm High-dose vitamin B3 is showing intriguing early promise as an addition to standard glioblastoma treatment, with 82% of patients in a small trial remaining progression-free after six months. Researchers believe niacin may help revive immune cells suppressed by the cancer, but larger studies are still needed to confirm the benefit and safety. Sun, 04 Oct 2026 06:09:00 EDT https://www.sciencedaily.com/releases/2026/10/261001095423.htm https://www.sciencedaily.com/releases/2026/09/260930225501.htm A vitamin D analog may help break down pancreatic cancer’s protective defenses, potentially making tumors more vulnerable to chemotherapy and immune attack. A small clinical trial found encouraging responses, especially in patients whose tumors had high levels of the vitamin D receptor. Sat, 03 Oct 2026 23:10:23 EDT https://www.sciencedaily.com/releases/2026/09/260930225501.htm https://www.sciencedaily.com/releases/2026/09/260930225454.htm Vitamin C may do more than support the immune system. In a phase 2 trial of people with precancerous or low risk blood cancers, daily vitamin C did not slow abnormal cell growth, but it was linked to favorable changes in inflammation and fewer serious complications. An exploratory follow up also found fewer deaths among participants taking vitamin C than among those receiving placebo. Sat, 03 Oct 2026 07:17:37 EDT https://www.sciencedaily.com/releases/2026/09/260930225454.htm https://www.sciencedaily.com/releases/2026/09/260924231826.htm Scientists have mapped the genetics of cat cancer on an unprecedented scale and found surprising similarities with tumors in humans. The findings could help bring precision cancer treatments to cats while also revealing new clues about how human cancers develop and respond to drugs. Sat, 26 Sep 2026 22:01:42 EDT https://www.sciencedaily.com/releases/2026/09/260924231826.htm https://www.sciencedaily.com/releases/2026/09/260924020408.htm Researchers used CRISPR to remove CD33 from donor stem cells, potentially giving doctors a way to attack aggressive blood cancers without destroying the healthy cells patients need after a transplant. In a 30-patient trial, the edited cells successfully took hold and appeared to shield blood cells from a CD33-targeted cancer treatment. Fri, 25 Sep 2026 09:13:03 EDT https://www.sciencedaily.com/releases/2026/09/260924020408.htm https://www.sciencedaily.com/releases/2026/09/260924020351.htm A new analysis suggests mammograms may lead to far less breast cancer overdiagnosis than some earlier studies indicated. Researchers reexamined all eight major randomized screening trials and accounted for differences in follow-up time, screening frequency, and screening after trials ended. Their results were consistent with an overdiagnosis rate below 5%, rather than estimates approaching 30% to 50%. Sat, 26 Sep 2026 11:25:30 EDT https://www.sciencedaily.com/releases/2026/09/260924020351.htm https://www.sciencedaily.com/releases/2026/09/260921081112.htm A new experimental drug called CS18 may help break through cancer drug resistance by disabling several of the defenses tumors use to survive treatment. It strengthened existing therapies, restored drug sensitivity in resistant lung cancer cells, and slowed tumor growth in animal models. Tue, 22 Sep 2026 21:27:00 EDT https://www.sciencedaily.com/releases/2026/09/260921081112.htm https://www.sciencedaily.com/releases/2026/09/260920030147.htm A sweeping review of more than 153,000 adults found that calcium and vitamin D supplements, alone or together, do little to prevent fractures or falls in most older people. Researchers say the findings challenge routine supplementation for prevention and point instead toward strategies such as balance and resistance exercise. Sun, 20 Sep 2026 21:59:17 EDT https://www.sciencedaily.com/releases/2026/09/260920030147.htm https://www.sciencedaily.com/releases/2026/09/260919031042.htm A growing Bundibugyo virus outbreak is showing how a little-known relative of Ebola can become a major threat when diagnosis and treatment options are limited. Experts warn that preparing only for familiar pathogens could leave the world vulnerable when rare but deadly viruses suddenly reemerge. Sat, 19 Sep 2026 22:26:36 EDT https://www.sciencedaily.com/releases/2026/09/260919031042.htm https://www.sciencedaily.com/releases/2026/09/260917003722.htm Scientists discovered a population of cells that can start the process of programmed cell death, survive it, and then help rapidly rebuild damaged tissue. Their descendants become far more resistant to future damage, revealing a mechanism that could improve healing but may also help cancers return after treatment. Fri, 18 Sep 2026 08:30:43 EDT https://www.sciencedaily.com/releases/2026/09/260917003722.htm https://www.sciencedaily.com/releases/2026/09/260915232136.htm Scientists are testing a counterintuitive way to fight mesothelioma, an aggressive asbestos-linked cancer with few effective treatments. A new experimental mesothelioma drug kills cancer cells by disabling PRX3, an antioxidant defense that tumors use to survive intense oxidative stress. In an early clinical trial, it controlled disease progression in 67% of patients and produced encouraging survival results, raising hopes that the strategy could eventually be used against other cancers. Thu, 17 Sep 2026 01:11:51 EDT https://www.sciencedaily.com/releases/2026/09/260915232136.htm https://www.sciencedaily.com/releases/2026/09/260914042053.htm Low vitamin D levels may make recovery from breast cancer surgery more painful, according to a study of 184 women undergoing mastectomy. Patients with vitamin D deficiency were three times more likely to experience moderate to severe pain during the first 24 hours after surgery and also used substantially more of the opioid painkiller tramadol. They received slightly more fentanyl during surgery and experienced more postoperative nausea as well. Mon, 14 Sep 2026 08:52:54 EDT https://www.sciencedaily.com/releases/2026/09/260914042053.htm https://www.sciencedaily.com/releases/2026/09/260913082200.htm Cancer rates are rising in adults under 55, and new research suggests accelerated biological aging may be one piece of the puzzle. Scientists found that people from more recent generations tended to have bodies that appeared biologically older than those of earlier generations at the same chronological age. Greater biological age acceleration was linked to a higher risk of early onset cancers, with specific patterns seen for lung, gastrointestinal, uterine and colorectal cancers. Mon, 14 Sep 2026 10:47:07 EDT https://www.sciencedaily.com/releases/2026/09/260913082200.htm https://www.sciencedaily.com/releases/2026/09/260911003856.htm Researchers found that blocking IL1RAP could disrupt a powerful inflammatory network that helps pancreatic cancer survive treatment. In preclinical experiments, the approach reduced tumor-protecting cells and fibrosis while boosting the activity of cancer-fighting T cells. That could make chemotherapy and immunotherapy more effective. Fri, 11 Sep 2026 22:34:24 EDT https://www.sciencedaily.com/releases/2026/09/260911003856.htm https://www.sciencedaily.com/releases/2026/09/260909231723.htm UCLA researchers developed ready-made cancer-fighting T cells from cord blood stem cells that can attack solid tumors through two separate detection systems. In mice, a single dose controlled cancer and extended survival while avoiding a dangerous complication associated with donor-derived T-cell therapies. Thu, 10 Sep 2026 21:08:27 EDT https://www.sciencedaily.com/releases/2026/09/260909231723.htm https://www.sciencedaily.com/releases/2026/09/260909225602.htm Researchers have designed a new DNA-based treatment that targets PCSK9, a protein closely tied to high LDL cholesterol and atherosclerosis. Their most effective molecule reduced PCSK9 protein by 87% in human liver cells and lowered cholesterol by 47% in genetically modified mice after a single injection. Wed, 09 Sep 2026 23:44:05 EDT https://www.sciencedaily.com/releases/2026/09/260909225602.htm https://www.sciencedaily.com/releases/2026/09/260909005305.htm An experimental compound called AP503 significantly strengthened bones in mice by activating GPR133, a receptor that boosts bone formation while slowing bone loss. Because the same treatment has also been linked to stronger muscles, researchers see intriguing potential for combating age-related decline and osteoporosis. Wed, 09 Sep 2026 09:52:53 EDT https://www.sciencedaily.com/releases/2026/09/260909005305.htm https://www.sciencedaily.com/releases/2026/09/260909005155.htm Semaglutide, the drug found in Ozempic and Wegovy, was linked to nearly 40% fewer asthma attacks in a large real-world study. It was also associated with about 20% fewer COPD flare-ups. Researchers say GLP-1 drugs may offer respiratory benefits in addition to their effects on diabetes and obesity, but clinical trials are needed to confirm the findings. Wed, 09 Sep 2026 09:06:53 EDT https://www.sciencedaily.com/releases/2026/09/260909005155.htm https://www.sciencedaily.com/releases/2026/09/260906170142.htm Cancer is becoming an even larger global health threat, with nearly 21 million people diagnosed and 9.8 million dying from the disease in 2024. New estimates suggest about 1 in 5 people worldwide will develop cancer during their lifetime, while cases could climb by 67% to 34 million by 2050 simply because populations are growing and aging. Mon, 07 Sep 2026 01:05:57 EDT https://www.sciencedaily.com/releases/2026/09/260906170142.htm https://www.sciencedaily.com/releases/2026/09/260904000326.htm Researchers have mapped breast tumors in striking detail and uncovered hidden pockets of dormant cancer cells that may help explain why cancer can return after treatment. Unlike rapidly dividing cells, these quiet cells can essentially hibernate, allowing them to evade chemotherapy and reactivate later. The team found that they are often surrounded by immune cells and connective tissue cells that may act like a protective shield. Sun, 06 Sep 2026 16:43:10 EDT https://www.sciencedaily.com/releases/2026/09/260904000326.htm https://www.sciencedaily.com/releases/2026/09/260904000324.htm Researchers have found a potential way to attack prostate cancers that evade treatment by changing their cellular identity. Combining two types of drugs reversed many of these changes and sharply slowed tumor growth in preclinical experiments, offering a possible new strategy for aggressive, treatment-resistant disease. Tue, 08 Sep 2026 06:46:38 EDT https://www.sciencedaily.com/releases/2026/09/260904000324.htm https://www.sciencedaily.com/releases/2026/09/260901070548.htm Sitting for long, uninterrupted stretches may carry greater health risks than sitting the same amount of time in shorter bouts. Researchers found that each extra hour of prolonged sedentary behavior was associated with a 9% higher risk of cancer death. Breaking up sitting with movement showed the opposite pattern, while replacing an hour of prolonged sitting with light activity was linked to a 12% lower risk. Wed, 02 Sep 2026 23:06:57 EDT https://www.sciencedaily.com/releases/2026/09/260901070548.htm https://www.sciencedaily.com/releases/2026/09/260901070520.htm Starting statins soon after a type 2 diabetes diagnosis may do more than protect the heart. In a nationwide Danish study of more than 132,000 people, those who began statin treatment within a year of diagnosis had a 15% lower relative risk of developing dementia over 10 years compared with those who did not start statins. Tue, 08 Sep 2026 03:37:21 EDT https://www.sciencedaily.com/releases/2026/09/260901070520.htm https://www.sciencedaily.com/releases/2026/09/260901010717.htm Aging may be partly fueled by immune cells losing their ability to clear away damaged, inflammation-promoting cells. Blocking a single receptor restored that cleanup process in mice, reducing inflammation and helping their organs, muscles, and memory remain remarkably youthful. Thu, 03 Sep 2026 06:29:04 EDT https://www.sciencedaily.com/releases/2026/09/260901010717.htm https://www.sciencedaily.com/releases/2026/08/260829235950.htm Researchers discovered a possible way cancer cells hide from the immune system: they build a thick, sugar-rich coating around themselves. High blood sugar can strengthen this protective shield under conditions that resemble the environment inside tumors, with the protein HSF1 playing a key role. Blocking this process could make cancer cells easier for the immune system to recognize and destroy. Mon, 31 Aug 2026 22:39:55 EDT https://www.sciencedaily.com/releases/2026/08/260829235950.htm https://www.sciencedaily.com/releases/2026/08/260829035227.htm Researchers have produced a form of Spirulina containing biologically active vitamin B12 at levels comparable to beef. By carefully controlling the light used to grow the algae, they overcame a major problem with conventional Spirulina, which mainly contains a form of B12 the human body cannot use. The carbon-neutral system could provide a more sustainable source of the essential vitamin. Sun, 30 Aug 2026 01:17:05 EDT https://www.sciencedaily.com/releases/2026/08/260829035227.htm https://www.sciencedaily.com/releases/2026/08/260828082330.htm CAR T-cell therapy dramatically reduced disease activity in six people with severe rheumatoid arthritis that had resisted other treatments, with three achieving medication-free remission. The treatment may work by clearing out harmful immune cells and effectively rebooting part of the immune system, although much larger studies are still needed. Sat, 29 Aug 2026 21:28:13 EDT https://www.sciencedaily.com/releases/2026/08/260828082330.htm https://www.sciencedaily.com/releases/2026/08/260827010507.htm The belief that huge doses of vitamin C can ward off colds was popularized more than 50 years ago by Nobel Prize winner Linus Pauling. Since then, larger studies have found that vitamin C does not prevent most people from catching a cold, although regularly taking it may make severe symptoms slightly shorter or milder. Thu, 27 Aug 2026 06:38:30 EDT https://www.sciencedaily.com/releases/2026/08/260827010507.htm https://www.sciencedaily.com/releases/2026/08/260824065546.htm Researchers have found a way to supercharge natural killer cells, powerful immune cells that can attack cancer, so they can penetrate solid tumors and keep fighting once inside. In mice, these specially prepared tissue-resident cells slowed the growth of several tumors, including melanoma and head and neck cancers, and worked even better when paired with the antibody drug cetuximab. Tue, 25 Aug 2026 08:56:22 EDT https://www.sciencedaily.com/releases/2026/08/260824065546.htm https://www.sciencedaily.com/releases/2026/08/260823015013.htm Older adults who received the Shingrix shingles vaccine were 24% less likely to be diagnosed with dementia over four years in a study of more than 500,000 people. Researchers estimate the difference could amount to roughly one dementia case prevented for every 17 people vaccinated. Tue, 25 Aug 2026 09:09:21 EDT https://www.sciencedaily.com/releases/2026/08/260823015013.htm https://www.sciencedaily.com/releases/2026/08/260823014950.htm People who reach 110 and beyond appear to have unusually large numbers of rare immune cells capable of killing abnormal cells. These CD4 cytotoxic T cells became more common with age and often expanded into large groups of nearly identical cells, suggesting the immune system was repeatedly responding to persistent threats. Tue, 25 Aug 2026 00:07:07 EDT https://www.sciencedaily.com/releases/2026/08/260823014950.htm https://www.sciencedaily.com/releases/2026/08/260822015138.htm Older adults with mild cognitive impairment and sleep problems who took at least 5,000 IU of vitamin D daily scored more than 13% higher on a cognitive test than those taking none. The preliminary findings suggest vitamin D could be worth studying as a potentially modifiable factor during an early window of cognitive decline. Sun, 23 Aug 2026 00:31:43 EDT https://www.sciencedaily.com/releases/2026/08/260822015138.htm https://www.sciencedaily.com/releases/2026/08/260821012230.htm A simple yeast-based food supplement may help restore the immune system’s ability to fight cancer, according to new research in mice. Scientists found that yeast beta-glucan reprogrammed early immune cells in the bone marrow, leading to stronger, longer-lasting cancer-fighting responses against colorectal, skin, and breast cancer cells. Sat, 22 Aug 2026 06:34:22 EDT https://www.sciencedaily.com/releases/2026/08/260821012230.htm https://www.sciencedaily.com/releases/2026/08/260820202842.htm AI may be able to predict how strongly someone will respond to a vaccine before they receive it. By analyzing antibody patterns in more than 4,000 people, researchers found signs of “immune readiness” that helped distinguish strong responders from weak ones. Surprisingly, even some healthy people responded poorly, while some immunosuppressed people mounted strong responses. Fri, 21 Aug 2026 06:59:05 EDT https://www.sciencedaily.com/releases/2026/08/260820202842.htm https://www.sciencedaily.com/releases/2026/08/260816044830.htm Engineered probiotic bacteria were able to infiltrate pancreatic tumors, stimulate cancer-fighting immune cells, and slow tumor growth in animal studies. Even more strikingly, the treatment worked better when combined with chemotherapy, radiation, or immunotherapy. Wed, 19 Aug 2026 08:10:13 EDT https://www.sciencedaily.com/releases/2026/08/260816044830.htm https://www.sciencedaily.com/releases/2026/08/260815064829.htm Breast cancer is rising rapidly among Asian American women, with some of the most alarming increases occurring in younger women and in aggressive or advanced cancers. Researchers say screening alone can't explain the surge, suggesting important risk factors may still be undiscovered. Wed, 19 Aug 2026 04:13:02 EDT https://www.sciencedaily.com/releases/2026/08/260815064829.htm https://www.sciencedaily.com/releases/2026/08/260814011039.htm Scientists have uncovered why two seemingly opposite ways of targeting the same brain receptor can both promote weight loss. In mice, activating the GIP receptor in the brainstem reduced appetite, while blocking it in the hypothalamus removed a kind of “brake” on fullness signals. The discovery helps explain why very different obesity drugs can achieve similar results and suggests that carefully combining GIP-targeting treatments with GLP-1 drugs like those related to Wegovy and Ozempic could produce stronger effects. Sat, 15 Aug 2026 06:55:39 EDT https://www.sciencedaily.com/releases/2026/08/260814011039.htm https://www.sciencedaily.com/releases/2026/08/260814011038.htm Researchers have uncovered a surprising way triple-negative breast cancer may turn the body against itself. Tumors appear to recruit macrophages—immune cells normally involved in healing and fighting infection—and use them to release a protein called BDNF that draws nerves into the tumor. Those nerves may then help the cancer grow, resist treatment, and potentially spread. Fri, 14 Aug 2026 01:10:38 EDT https://www.sciencedaily.com/releases/2026/08/260814011038.htm https://www.sciencedaily.com/releases/2026/08/260814011028.htm Women who used estrogen-only hormone therapy later in life were less likely to develop dementia and showed fewer signs of Alzheimer’s disease in their brains, according to a large study of more than 21,000 participants. Hormone therapy use was linked to 39% lower odds of a dementia diagnosis and 35% lower odds of Alzheimer’s-related brain changes at autopsy, including amyloid plaques and tau tangles. Biomarker tests also suggested less amyloid buildup among hormone therapy users. Fri, 14 Aug 2026 07:19:42 EDT https://www.sciencedaily.com/releases/2026/08/260814011028.htm https://www.sciencedaily.com/releases/2026/08/260813045554.htm A large study of more than 5,500 adults over 50 found a striking combination of risk factors: abdominal obesity paired with vitamin D deficiency was linked to a 123% higher risk of death over six years. Each condition was associated with increased risk on its own, but together they appeared to create a dangerous feedback loop, with belly fat reducing the amount of vitamin D available in the bloodstream while low vitamin D may worsen inflammation and other health problems. Thu, 13 Aug 2026 22:29:03 EDT https://www.sciencedaily.com/releases/2026/08/260813045554.htm https://www.sciencedaily.com/releases/2026/08/260812015200.htm Researchers have found a striking new way to potentially eliminate HIV soon after infection using a one-time combination of three therapies. In newborn nonhuman primates treated within three days of exposure, the regimen—standard antiretroviral drugs, broadly neutralizing antibodies, and the experimental antibody leronlimab—completely cleared the virus, even though none of the treatments could do so alone. Thu, 13 Aug 2026 04:18:26 EDT https://www.sciencedaily.com/releases/2026/08/260812015200.htm https://www.sciencedaily.com/releases/2026/08/260810015725.htm UCLA researchers have created a blood test that can scan DNA signals for multiple cancers, liver diseases, and signs of organ damage—and even indicate where trouble may be developing. Early results suggest the inexpensive approach could bring medicine closer to a single blood test capable of catching a wide range of diseases before they become harder to treat. Mon, 10 Aug 2026 22:36:37 EDT https://www.sciencedaily.com/releases/2026/08/260810015725.htm https://www.sciencedaily.com/releases/2026/08/260806050717.htm Linus Pauling was widely mocked for claiming that vitamin C could fight cancer, especially after trials using vitamin C pills showed no benefit. Researchers now know that intravenous vitamin C reaches vastly higher concentrations and can behave more like an experimental cancer drug than an ordinary supplement. Early studies suggest it may damage vulnerable cancer cells, reduce treatment side effects, and possibly improve outcomes for some patients. Fri, 07 Aug 2026 09:02:16 EDT https://www.sciencedaily.com/releases/2026/08/260806050717.htm https://www.sciencedaily.com/releases/2026/08/260806050702.htm A protein that evolved long before the human circulatory system may help unlock stronger cancer treatments. When C3 is produced inside tumors, it blocks immune-suppressing cells and gives immunotherapy a better chance to work. Researchers were even able to recreate this effect in resistant tumors, significantly improving survival in mice. Sat, 08 Aug 2026 09:31:21 EDT https://www.sciencedaily.com/releases/2026/08/260806050702.htm https://www.sciencedaily.com/releases/2026/08/260805082508.htm Blocking the glycine transporter SLC6A20 restored important brain signaling and improved social, communication, and repetitive behaviors in autism-related mouse models. The treatment also worked in human brain organoids and showed lasting effects in adult mice, suggesting the brain may remain more treatable later in life than previously thought. Fri, 07 Aug 2026 08:38:30 EDT https://www.sciencedaily.com/releases/2026/08/260805082508.htm https://www.sciencedaily.com/releases/2026/08/260802223426.htm Chemotherapy-surviving ovarian cancer cells may release fructose to help neighboring tumor cells loosen, escape, and spread. The discovery suggests that sugary diets and cholesterol-lowering drugs could influence cancer progression, though the effects have not yet been confirmed in patients. Tue, 04 Aug 2026 01:15:18 EDT https://www.sciencedaily.com/releases/2026/08/260802223426.htm