Diseases and Conditions News

October 19, 2026

Top Headlines

Why Some People Escape Alzheimer’s Despite Carrying a High-risk Gene

Oct. 19, 2026 Scientists have discovered why some people with a high genetic risk of Alzheimer’s remain mentally sharp into their 80s, uncovering a rare mutation that protects the brain from harmful protein buildup. The findings reveal a potential new way to ...

Scientists Discover Why Some People Still Can’t Taste Food After COVID-19

Oct. 19, 2026 Scientists have uncovered a possible explanation for why some people struggle to taste food more than a year after recovering from COVID-19. By examining taste buds from patients with lingering symptoms, researchers discovered molecular ...

Just 3,000 Steps a Day May Help Slow Alzheimer's, Scientists Find

Oct. 19, 2026 Walking just 3,000 steps a day could help slow Alzheimer’s-related brain changes, according to new research. Scientists discovered that physical activity was linked to less buildup of harmful tau proteins and nearly half the cognitive and ...

Scientists Win 2026 Nobel Prize for Controlling Brain Cells with Light

Oct. 19, 2026 A discovery in tiny algae led to a Nobel Prize-winning breakthrough that allows scientists to switch brain cells on and off using light. The revolutionary technique has already helped researchers activate memories and is opening new possibilities ...

"Mind-blowing" Alzheimer’s Breakthrough: Two Hours of Sleep Restored Without Clearing Brain Plaques

Oct. 19, 2026 Scientists have uncovered an unexpected culprit behind sleep loss in Alzheimer’s disease: overactive immune cells in the brain. By temporarily removing these cells, researchers restored more than ...

Fatty Liver Disease Is Actually Five Different Conditions, Scientists Discover

Oct. 18, 2026 A common liver disease affecting nearly 30% of adults worldwide may be far more complicated than scientists previously realized. Mayo Clinic researchers have discovered that fatty liver disease ...

Scientists Discover a Natural Compound That Could Protect the Brain from Too Much Salt

Oct. 18, 2026 Eating too much salt may do more than raise blood pressure. It could also harm memory and social behavior. In a new study, Japanese researchers discovered that a soy-derived compound called LPC70 ...

Eating Blueberries Every Day May Have a Surprising Effect on Your Mood

Oct. 18, 2026 Eating blueberries every day could have surprising effects on mood, according to a small study that found greater reductions in depressive symptoms among older adults who consumed the fruit for three months. Researchers also detected changes in gut ...

Scientists Link a Strange Sugar in Red Meat to a 63% Higher Diabetes Risk

Oct. 18, 2026 A study of nearly 90,000 adults found that people consuming the most of a little-known sugar found in red meat had a 63% higher risk of developing type 2 diabetes. Scientists suspect the sugar may trigger chronic inflammation, potentially revealing ...

Scientists Uncover 3 Key Brain Pathways Linked to Lasting Depression Relief

Oct. 18, 2026 Researchers have uncovered three brain pathways linked to lasting improvements in people receiving deep brain stimulation for severe, treatment-resistant depression. They also discovered that patients who failed to improve after two years shared a ...

Scientists Discover That Male and Female Skin Play by Different Rules

Oct. 18, 2026 Scientists have uncovered a surprising difference in how male and female skin repairs and renews itself. By tracking individual skin stem cells in living mice for five months, researchers discovered that female cells work together in a highly ...

Scientists Tested 39 Sweeteners and Uncovered Surprising Gut Effects

Oct. 17, 2026 Scientists have discovered that many common sweeteners can interfere with gut bacteria, with some combinations involving medications producing surprisingly strong effects. One sweetener mixed with a widely prescribed antidepressant reduced ...

Latest Headlines

updated 9:15am EDT

Modern Neuroscience Is Rediscovering a Surprising Idea Freud Had 130 Years Ago

Oct. 18, 2026 Researchers have identified striking parallels between Sigmund Freud’s century-old theories and modern neuroscience, suggesting that the brain’s ...

Scientists Find a Youth Protein That Helps Aging Brain Cells Act Young Again

Oct. 17, 2026 Scientists have discovered that a protein linked to youth helps protect the brain’s immune cells from age-related decline. Restoring the protein in ...

New Drug Reverses Severe Fatty Liver Disease by Repairing the Gut

Oct. 17, 2026 Scientists have discovered that a potential new drug can reverse severe fatty liver disease in animal models by restoring gut health and blocking harmful substances from reaching the liver. The ...

Brain Cells Meant to Protect Us May Be Fueling Cognitive Decline

Oct. 17, 2026 Scientists have uncovered a surprising cause of age-related cognitive decline involving brain cells previously thought to be entirely beneficial. As these cells become dysfunctional, they can produce ...

Scientists Discover How Deep Sleep Builds Muscle, Burns Fat, and Boosts the Brain

Oct. 17, 2026 Scientists have discovered a surprising two-way relationship between sleep and growth hormone, revealing how the brain carefully balances physical ...

Stanford’s New Microscope Reveals Living Cells Like Never Before

Oct. 16, 2026 Stanford scientists have developed a revolutionary microscope that reveals the hidden inner workings of living cells in real time, without the fluorescent labels that can interfere with observations. ...

USC Scientists Discover How to Create a Never-Ending Supply of Cancer-Fighting Cells

Oct. 16, 2026 USC scientists have discovered a way to create a potentially renewable supply of genetically engineered immune cells that can attack cancer and ...

Yale Scientists Discover How Stress Changes the Brain to Make Memories Stronger

Oct. 16, 2026 Yale scientists have uncovered how the stress hormone cortisol helps the brain turn emotional experiences into stronger, longer-lasting memories. The ...

A Protein That Fuels Cancer Could Also Be the Key to Fighting It

Oct. 16, 2026 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 ...

Scientists Discover How Exercise Reverses Muscle Aging

Oct. 15, 2026 Scientists have uncovered a hidden biological mechanism that helps explain how exercise can reverse some of the damage caused by muscle aging. The key is a gene called DEAF1, which becomes overactive ...

Eating Late at Night Linked to Up to 30% Higher Risk of Liver Disease

Oct. 15, 2026 Eating late at night could be putting your liver at risk, according to a large study led by Oregon Health & Science University. Researchers analyzed data from nearly 200,000 people and found that ...

Eating Olive Oil Before Carbs Has a Surprising Effect on Blood Sugar

Oct. 11, 2026 A simple change in the order you eat your food could help prevent blood sugar spikes. Scientists discovered that giving mice olive oil before carbohydrates slowed digestion and activated a surprising ...

Scientists Discover Vanilla’s Hidden Healing Potential

Oct. 12, 2026 Scientists have discovered that vanillin, the compound that gives vanilla its distinctive flavor, has powerful properties that could help fight infections, reduce inflammation, and promote wound ...

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 ...

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 ...

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 ...

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 ...

Scientists Discover a Surprising Paradox in How Our Cells Age

Oct. 13, 2026 Scientists have discovered that the body's cellular recycling system behaves very differently during aging than previously believed, with higher activity sometimes linked to worse physical ...

New Injection Makes Fat Cells Self-Destruct

Oct. 11, 2026 Scientists have developed an experimental injection that destroys fat cells and significantly reduces dangerous belly fat, potentially opening a new path to treating obesity. Early research also ...

Bacteria Turn a Virus’ Own Weapon Against It

Oct. 9, 2026 Researchers have uncovered a new way bacteria detect viral attacks: a virus-produced enzyme cuts a bacterial sensor protein, triggering a self-destructing immune response. The discovery could lead to ...

Oct. 12, 2026 Popular GLP-1 weight loss drugs, such as Ozempic and Wegovy, have been linked to unexpectedly high rates of nail detachment, hair loss, and scalp inflammation, with some problems occurring several ...

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 ...

Scientists Just Gave the Powerhouses of Our Cells a High-Tech Upgrade

Oct. 12, 2026 Scientists have created a new coating for mitochondria that preserves their ability to produce energy, potentially opening the door to new treatments for diseases involving these tiny cellular ...

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 ...

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 ...

Cornell Scientists Identify Rare Human Genetic Disorder in Two Unusually Long-Legged Cats

Oct. 14, 2026 Two unusually long-legged cats have helped scientists uncover the first genetically confirmed cases of Marfan syndrome in domestic felines. Researchers at Cornell University discovered that the ...

The Hidden Math of Alzheimer's Could Point to New Treatments

Oct. 11, 2026 Mathematics may hold unexpected clues to understanding Alzheimer’s disease. Scientists have developed a model showing how common metals like copper and zinc may influence the buildup of proteins ...

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 ...

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, ...

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 ...