Today's Healthcare News

July 13, 2026

Top Headlines

Scientists Discover a Hidden Heart Valve Risk Linked to Gum Disease

July 13, 2026 Researchers found that bacteria linked to gum disease may help drive the development of calcific aortic valve stenosis by triggering inflammation and calcium buildup in the heart valve. The early findings suggest that keeping gums healthy could play ...

Columbia Scientists Discover Surprising Link Between Serotonin and Heart Valve Disease

July 11, 2026 Scientists have uncovered evidence that serotonin, the chemical best known for regulating mood, may also speed the progression of a common heart valve disease in some people. The research suggests ...

Yale Scientists May Have Found How Parkinson's Disease Spreads Through the Brain

July 11, 2026 Yale scientists discovered two neuron surface proteins that appear to help spread the toxic protein linked to Parkinson’s disease. Blocking these proteins in mice dramatically reduced disease ...

Experimental Drug Reverses Severe Fatty Liver Disease by Repairing the Gut

July 11, 2026 An experimental drug called DT-109 reversed severe fatty liver disease in animal studies by repairing the gut and preventing harmful toxins from damaging the liver. The discovery could open the door to a new class of treatments for MASH and ...

Why the Human Body Has so Many Design Flaws

July 10, 2026 Many of the body's biggest flaws are the result of evolution building on old designs instead of starting over. Our spine, eyes, teeth, pelvis, and even certain nerves all reveal compromises that worked well enough for survival but still leave us ...

New MRI Breakthrough Reveals the Brain and Eye Like Never Before

July 10, 2026 Scientists have redesigned a key piece of MRI hardware using metamaterials, allowing existing scanners to produce clearer images of difficult-to-see parts of the body in less time. The breakthrough could improve diagnoses, make scans more ...

The Ozempic and Wegovy Mistake Sending Thousands to Poison Control

July 9, 2026 Poison control calls involving semaglutide (Ozempic and Wegovy) soared after the drug was approved for weight management, with researchers linking the increase to accidental dosing mistakes rather than intentional misuse. Simple education about ...

Scientists Discover How Colon Cancer Cells Change Identity to Spread

July 7, 2026 Scientists have identified a molecular switch that may help explain how colorectal cancer becomes deadly. When levels of a gene-regulating factor called GATA6 drop, cancer cells can shed their normal identity and transform into highly adaptable, ...

Scientists May Have Finally Found How Alzheimer's Kills Brain Cells

July 5, 2026 Researchers have identified a previously overlooked mechanism of brain cell death that appears to play a major role in Alzheimer's disease and frontotemporal dementia. The finding could lead to new treatments aimed at slowing neuron loss by ...

Johns Hopkins Scientists Develop Nose Spray DNA Vaccine for Tuberculosis

July 4, 2026 A new intranasal DNA vaccine may give the immune system an extra weapon against tuberculosis by targeting bacteria that can hide from antibiotics. In animal studies, it helped clear infections faster, reduced lung inflammation, and prevented relapse ...

Drinking to Cope with Stress May Permanently Rewire Your Brain

July 3, 2026 Using alcohol to cope with stress when young may permanently alter the brain, making it harder to adapt to challenges and increasing the risk of returning to drinking later in life. Researchers also found signs of brain damage associated with early ...

Scientists Discover Why Some Brains Resist Alzheimer's

July 3, 2026 Some brains appear to fight back against Alzheimer's by helping immature brain cells survive damage instead of succumbing to it. Understanding this natural resilience could point researchers toward entirely new ways to protect memory and slow ...

Latest Headlines

updated 9:52am EDT

The Real Cause of a Common Stroke May Have Been Missed for Decades

July 3, 2026 Scientists have discovered that a common type of stroke may have a very different cause than doctors once thought. Instead of fatty plaque clogging arteries, the strongest link was found with ...

This Spray-on Powder Can Stop Life-Threatening Bleeding in 1 Second

July 2, 2026 A new spray-on powder developed by KAIST can stop life-threatening bleeding in about one second by instantly forming a strong gel over a wound. It works on deep and irregular injuries where ...

New Calculator Reveals Whether You Should Really Worry About Statin Side Effects

July 2, 2026 Scientists at the University of Oxford have created a calculator that predicts a person's individual risk of serious muscle disorders from statin ...

Nearly Half of Kidney Transplant Patients Never Even Get Started

July 1, 2026 A massive national study found that nearly half of Americans with kidney failure who are referred for a transplant never even begin the evaluation process, and only 19% make it onto the transplant ...

Scientists Discover a Surprising Link Between Vitamin C and Brain Health

July 1, 2026 Could something as simple as vitamin C help support a healthier aging brain? In a study of more than 2,000 older adults in Japan, researchers found that people with lower vitamin C levels in their ...

One Injection Reversed Osteoarthritis in Weeks

June 30, 2026 A Colorado research team has created experimental osteoarthritis treatments that appear to regenerate damaged joints rather than just relieve pain. In animal studies, a single injection restored ...

Scientists May Have Finally Found How Alzheimer's Spreads Through the Brain

June 30, 2026 A common brain protein may be giving Alzheimer’s disease an unexpected way to spread, carrying toxic Tau proteins from damaged neurons into healthy ones. By blocking these harmful protein packages ...

Millions Take Omega-3 Fish Oil for Brain Health but a New Study Found No Benefit

June 29, 2026 Fish oil supplements successfully delivered omega-3s to the brain, but a two-year study found no meaningful benefits for memory, cognition, or ...

These Fat-Filled Brain Cells May Be Making Multiple Sclerosis Worse

June 29, 2026 Scientists have uncovered a surprising clue that may help explain why multiple sclerosis (MS) progresses rapidly in some people but not others. In brain tissue from patients with severe MS, ...

New Vitamin B12 Therapy Shows Promise Against Deadly Brain Cancer

June 27, 2026 Researchers have identified a vitamin B12–based compound that can cross the blood-brain barrier and home in on glioblastoma tumors. In animal studies, the compound accumulated preferentially in ...

Ebola and Hantavirus Can Start Like the Flu but Turn Deadly Fast

June 22, 2026 Two dangerous viruses are back in the spotlight, reminding health officials how quickly infectious diseases can become serious threats. Hantavirus, often linked to rodents, can cause severe heart and ...

This Emerging Treatment Is Helping People Avoid Knee Replacement Surgery

June 22, 2026 A minimally invasive treatment called GAE is helping people with chronic knee pain get back to gardening, cycling, and other activities without undergoing knee replacement surgery. Early studies ...

Ozempic Changed Obesity Treatment, but Experts Say the Real Revolution Is Next

June 20, 2026 The obesity treatment landscape is changing fast, with GLP-1 drugs opening the door to more effective care than ever before. Experts now envision a future where medications, minimally invasive ...

New Procedure Delivers Lasting Knee Arthritis Pain Relief Without Surgery

June 17, 2026 A minimally invasive treatment that blocks inflammation-driving blood vessels in the knee provided significant pain relief and improved function for osteoarthritis patients, with benefits lasting at ...

Most People Who Stop GLP-1 Drugs Like Ozempic Eventually Return

June 16, 2026 Many people prescribed GLP-1 drugs for type 2 diabetes (such as Victoza, Ozempic, or tirzepatide) stop taking them, but a surprising number later return to treatment. Researchers found that newer ...

Copper Drug Clears Toxic Alzheimer’s Proteins and Restores Memory

June 15, 2026 A copper-based compound restored the brain’s ability to clear toxic Alzheimer’s proteins, dramatically reducing amyloid buildup and improving memory in laboratory experiments. The findings point ...

This Common Vitamin Deficiency Can Mimic Normal Aging

June 25, 2026 Vitamin B12 is needed in microscopic amounts, but a shortage can have major effects on health and energy. The vitamin was first linked to a lifesaving liver treatment for pernicious anemia nearly 100 ...

Your Brain Can Keep Improving Into Your 90s, Study Finds

June 13, 2026 A three-year study of nearly 4,000 adults ranging from age 19 to 94 found that brain health can improve at any age, challenging the common belief that mental sharpness must decline as we get older. ...

June 10, 2026 A major study suggests glucosamine, a popular supplement for joint pain, could be linked to faster progression from mild cognitive impairment to Alzheimer’s disease. Researchers found a 25% higher ...

June 6, 2026 A large study found that women taking GLP-1 drugs, the medication class behind Ozempic, Wegovy, Mounjaro, and Zepbound, were about 30% less likely to develop breast cancer. Researchers say the ...

Scientists Finally Crack an “undruggable” Pancreatic Cancer Target and Nearly Double Survival

June 4, 2026 For decades, pancreatic cancer has been one of the most lethal cancers, with few effective treatment options. A new drug, daraxonrasib, targets the KRAS mutation that fuels most pancreatic ...

Brain Scans Reveal Two Distinct Types of Autism

June 3, 2026 Scientists have uncovered evidence that autism may include at least two biologically distinct subtypes, each marked by a different pattern of brain communication. By combining brain scans from nearly ...

Human Organoids Reveal How to Reverse “irreversible” Nerve Damage

May 28, 2026 Cambridge researchers created miniature brain-and-spinal-cord systems in the lab that can send signals and even trigger tiny muscle contractions. They discovered that human neurons gradually lose ...

Scientists Thought Brain Inflammation Was Driving Long COVID but the Scans Told a Different Story

May 28, 2026 A new brain imaging study has found no evidence of widespread brain inflammation in patients suffering from prolonged symptoms after COVID-19 infection. Instead, the most severe long COVID symptoms ...

Scientists Discover Strange Link Between Vitamin D and Pain

May 19, 2026 Low vitamin D levels could be quietly making breast cancer surgery recovery far more painful. In a new study, patients deficient in vitamin D were three times more likely to experience moderate to ...

“Zombie Cells” Aren’t Always Bad and That Could Transform Anti-Aging Medicine

May 22, 2026 Scientists are uncovering a surprising truth about aging cells: some may damage the body, while others help protect it. The discovery is fueling a new wave of precision anti-aging therapies aimed at ...

Eating Grapes Daily Could Unlock Powerful Skin Protection

May 18, 2026 Scientists discovered that eating grapes can actually change how your skin behaves at the genetic level. After just two weeks of daily grape consumption, volunteers showed signs of improved skin ...

Researchers Block Key Protein That Helps Parkinson’s Spread Through the Brain

May 28, 2026 A newly identified protein called GPNMB may play a major role in helping Parkinson’s disease spread through the brain. Researchers discovered that immune cells release the protein in response to ...

People Who Lost the Most Weight on Ozempic Saw Huge Health Benefits

May 19, 2026 People who lost significant weight while taking Ozempic, Wegovy, Mounjaro, or Saxenda had sharply lower risks of major obesity-related health problems, including sleep apnea and kidney disease. Those ...

The Supplements Older Adults Actually Need and the Ones They Don't

June 6, 2026 Supplements are often marketed as shortcuts to better health, but for many older adults, the real issue is whether they have a specific deficiency. Vitamins like B12 and D can play an important role ...