Diseases and Conditions News

October 7, 2026

Top Headlines

Taking Antibiotics? Sugar May Be Making the Damage Worse

Oct. 7, 2026 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 ...

Drug Target Could Block Brain Inflammation Linked to Alzheimer’s and Parkinson’s

Oct. 7, 2026 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 ...

Scientists Reprogram Immune Cells Inside the Body to Fight Cancer

Oct. 7, 2026 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. ...

A New Way to Fight Gum Disease Without Wiping Out Good Bacteria

Oct. 6, 2026 Scientists discovered that disrupting the chemical messages bacteria use to communicate can push dental plaque toward a healthier microbial balance. The approach could lead to new treatments for gum disease that control harmful bacteria without ...

What Happens in the Brain When Cannabis Makes You Anxious?

Oct. 6, 2026 Cannabinoids may intensify anxiety by removing a natural brake on specific neurons in the brain’s fear center, particularly during stressful situations. In mice, shutting down those neurons sharply reduced cannabinoid-related anxious ...

Colorectal Cancer Is Rising in Young People and Often Found Too Late

Oct. 6, 2026 Colorectal cancer in young people is often diagnosed at an advanced stage, with researchers finding most patients age 21 or younger already had Stage III or IV disease. Because symptoms like rectal bleeding, weight loss, abdominal pain, and bowel ...

Goodbye Joint Replacements? Stanford Scientists Found a Way to Regrow Cartilage and Stop Arthritis

Oct. 6, 2026 Scientists have found a surprising way to regrow damaged knee cartilage by blocking a protein that becomes more abundant with age. In old mice, the treatment restored naturally lost cartilage and ...

Scientists Say This Simple Habit Could Strengthen Your Marriage

Oct. 6, 2026 Couples who exercise together report better communication, healthier conflict resolution, and lower marital stress than those who work out alone. Even something as simple as taking a walk together may create valuable opportunities to talk, listen, ...

One Simple Addition to Postpartum Care Made a Major Difference

Oct. 6, 2026 New mothers paired with patient navigators were much more likely to receive postpartum care, depression screening, preventive testing, and ongoing primary care. By helping with barriers such as transportation, childcare, scheduling, and confusing ...

A Few Drops of This Japanese Tree Oil May Help You Sleep More Soundly

Oct. 6, 2026 In a small study, sleeping near the scent of Hinoki root essential oil was linked to fewer nighttime awakenings, better morning alertness, and brain-wave changes associated with smoother sleep onset. The findings suggest an overlooked forestry ...

MIT Scientists Find a Hidden Cancer Risk of the Keto Diet

Oct. 5, 2026 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 ...

Scientists Reveal What Seven Days of Fasting Does to the Human Body

Oct. 5, 2026 Scientists found that prolonged fasting triggers major changes throughout the body, but many of the most interesting effects only appeared after about three days without food. The results suggest fasting may influence health in ways that go beyond ...

Latest Headlines

updated 9:15am EDT

Scientists Just Found a Way to Fight Lung Cancer and Muscle Wasting at the Same Time

Oct. 5, 2026 A new nanoparticle therapy reduced lung tumors in mice while also targeting cachexia, the severe muscle wasting that can accompany cancer. By ...

Scientists Discover a Human Brain Gene That Can Jump Through DNA

Oct. 5, 2026 Scientists have discovered a human gene with a remarkable double life: it appears to play an important role in brain cells while still retaining the ability to jump around the genome. Called BC200, ...

Cancer-Fighting T Cells Burn Out. Scientists May Have Found a Fix

Oct. 5, 2026 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 ...

The “glue” Holding Your Cells Together Has a Surprising Second Job

Oct. 4, 2026 Scientists have discovered that E-cadherin, a protein best known as the “glue” holding cells and tissues together, has a surprising second job: helping epithelial cells swallow nearby dead cells. ...

Easing Constipation: A 20-Minute Walk Can Get Your Gut Moving Almost Immediately

Oct. 4, 2026 Researchers found that just 20 minutes of comfortable walking can rapidly stimulate the gut. Within one to two minutes after exercise, bowel sounds ...

Your Gut Bacteria May Reveal How Fast Your Brain Is Aging

Oct. 4, 2026 A UCLA study links faster brain aging to specific gut bacteria and chemical byproducts, with older-looking brains also associated with poorer memory, focus, and mood. The findings suggest that ...

This Common Vitamin Could Help Fight One of the Deadliest Brain Cancers

Oct. 4, 2026 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. ...

Vitamin D Drug May Help Crack Pancreatic Cancer’s Protective Shield

Oct. 3, 2026 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 ...

Diet Drinks Work as Well as Water for Weight Loss, Major Trial Finds

Oct. 3, 2026 A two-year randomized clinical trial involving 493 adults with overweight or obesity found that diet soft drinks were essentially as effective as water for long-term weight loss and weight ...

This Protective Enzyme Could Help Stop Fatty Liver Disease from Getting Worse

Oct. 3, 2026 Scientists have identified an enzyme that may act as a natural defense against the worsening of fatty liver disease, which affects an estimated 100 ...

Cannabis Users Were Twice as Likely to Commit Violence, Review Finds

Sep. 30, 2026 A review of more than 265,000 people found that cannabis use was associated with higher rates of both committing violence and becoming a victim of it. The researchers say the link is significant but ...

Creatine May Help Build Muscle Even Without Exercise, Researchers Find

Sep. 29, 2026 Creatine helped middle-aged adults gain muscle and strength even without a structured workout program in a new 12-week study. When combined with exercise and a calorie-reduced diet, it produced even ...

Alzheimer’s Risk Gene APOE4 May Have a Reversible Weakness

Oct. 1, 2026 The Alzheimer’s risk gene APOE4 may actively damage brain blood vessels and sabotage the cellular systems that remove harmful proteins. Researchers were able to reverse some of these effects in ...

Could Quitting Ultra-Processed Food Boost Your Mental Health?

Oct. 1, 2026 People with depression who dramatically cut ultra-processed foods experienced notable improvements in their symptoms in a small preliminary study. Researchers suspect healthier eating may benefit the ...

Nearly 6 in 10 People With High Blood Pressure Don’t Know They Have It

Oct. 2, 2026 Nearly 6 in 10 people with high blood pressure in a large England study had never been diagnosed or treated, and half of those already taking medication still had elevated readings. Researchers say a ...

Aging Muscles May Be Losing Strength for a Reason Scientists Missed

Sep. 24, 2026 A newly identified breakdown in communication between nerves and muscles could help explain why people lose strength as they age. Researchers were able to improve muscle strength in an animal model ...

Vitamin C Linked to Fewer Deaths in Blood Disorder Trial

Oct. 3, 2026 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 ...

GLP-1 Weight Loss and Diabetes Drugs Linked to Nutritional Deficiencies in Nearly 1 in 6 Children

Sep. 23, 2026 Children taking GLP-1 medications (such as Victoza, Saxenda, Trulicity, and Ozempic) for weight loss, prediabetes, or type 2 diabetes may face an overlooked risk: nutritional deficiencies. A new ...

Rare Pregnancy Infections May Triple the Risk of Autism

Sep. 23, 2026 A major Swedish study of 3.7 million people has found that rare TORCH infections passed from a pregnant woman to the fetus are linked to much higher risks of autism and intellectual disability later ...

Chronic Stress May Be Quietly Reshaping Your Heart

Sep. 21, 2026 Chronic inflammation tied to stress, lifestyle, mental health, and socioeconomic conditions may silently change the heart for years before any symptoms appear. People with the highest inflammation ...

Stanford Scientists Discover the Human Brain May Actually Be Two Separate Organs

Sep. 21, 2026 Scientists have found that the human brain develops from two distinct cellular systems, suggesting that evolution fused together two ancient nervous systems with very different jobs. The discovery ...

More REM Sleep Linked to Lower Risk of 83 Diseases

Sep. 23, 2026 A large study tracking more than 95,000 people suggests that how you sleep may be linked to your risk of developing dozens of diseases. People who spent more time in REM sleep had lower risks of 83 ...

Ancient DNA Reveals How Plague Kept Returning for 400 Years After the Black Death

Sep. 20, 2026 Ancient DNA reveals that plague repeatedly returned to Europe for more than 400 years after the Black Death, evolving into new lineages and spreading through trade, migration, and war. Researchers ...

Scientists Find the Whole Grain “sweet Spot” for Better Heart Health

Sep. 16, 2026 Eating four to six servings of whole grains a day may deliver meaningful benefits for heart health, according to a large review of 87 clinical trials. Researchers found improvements in body weight, ...

A Major Risk of Breast Cancer Screening May Have Been Overestimated for Decades

Sep. 26, 2026 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 ...

Diabetes Study Finds Keeping Blood Sugar Too Steady May Come at a Price

Sep. 28, 2026 People with diabetes reported better quality of life after days when their glucose stayed largely within a healthy range, even when levels fluctuated more than usual. The unexpected finding suggests ...

Your Next Prescription Could Be Treating a Side Effect from the Last One

Sep. 11, 2026 A major Ontario study found 24 common medication chains in which one drug’s side effects can be mistaken for a new medical problem, leading to another prescription. Researchers say closer ...

Study of 1.9 Million People Finds a Striking Link Between ADHD and Gut Problems

Sep. 11, 2026 Researchers analyzing data from more than 1.9 million people found that ADHD is associated with substantially higher rates of digestive problems. People with ADHD had nearly double the odds of ...

Too Much Light at Night May Quietly Reshape Your Heart

Sep. 11, 2026 Nighttime light exposure was linked to thicker, stiffer heart chambers and early signs of reduced heart function in a study of more than 11,000 people. The findings suggest that keeping bedrooms ...

UCLA Scientists Turn Cord Blood Into Powerful Cancer-Fighting T Cells

Sep. 10, 2026 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 ...