Health & Medicine News

June 24, 2026

Top Headlines

Scientists Discover Ancient Brain Cells That Help Block Distractions

June 24, 2026 Scientists have discovered a tiny group of neurons in an ancient brain region that acts like a built-in focus filter, helping the brain ignore distractions and zero in on what matters most. When researchers temporarily switched off these neurons in ...

Scientists Discover Hidden “Footprints of Death” That May Help Viruses Spread

June 24, 2026 Scientists have uncovered a surprising new twist in what happens when cells die. As dying cells break apart, they leave behind tiny “footprints of death” packed with newly discovered particles ...

Study Challenges a Common Belief About Vitamin D and Sunlight

June 24, 2026 A study of nearly 300 people across northern Britain found that vitamin D levels often stay low all year in groups most at risk. Surprisingly, summer sunshine did not significantly boost vitamin D levels among older adults or people from minoritized ...

One Tiny Mutation May Explain How Bat Viruses Become Human Threats

June 23, 2026 Scientists found that one tiny genetic change can completely alter how a coronavirus behaves in different species. Comparing SARS-CoV-2 with a closely related bat-only virus, they showed that a single amino-acid difference affects whether the immune ...

Scientists Finally Solved How H5N1 Bird Flu Hid in Dairy Cows

June 23, 2026 Researchers uncovered why H5N1 bird flu attacks cows’ udders instead of their lungs: the virus’s preferred receptors are concentrated in mammary tissue. The breakthrough could help scientists predict future bird flu jumps and spot unusual ...

New Brain Study Reveals Speech Learning Works Differently Than We Thought

June 23, 2026 A new study suggests that learning and remembering speech relies more on how the brain processes sounds and sensations than on the areas that control mouth and face movements. The discovery could reshape speech therapy and help improve future ...

One of the World’s Most Popular Weedkillers May Be Fueling Deadly Superbugs

June 23, 2026 Researchers found that highly drug-resistant bacteria from hospitals are also resistant to glyphosate, a commonly used weedkiller. The discovery suggests that agricultural herbicides may be helping ...

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 suggest the procedure can provide years of relief by ...

Scientists Say Most People Need More Protein Than Current Guidelines Suggest

June 22, 2026 A new review suggests that doing more exercise and eating more protein than current minimum recommendations may help people stay stronger, sharper, and more independent as they age. The goal isn't ...

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

June 22, 2026 A clinical trial is exploring whether high doses of vitamin B3 could give patients with glioblastoma a better chance against the aggressive brain cancer. Scientists found that niacin may help revive immune cells that tumors shut down, allowing them ...

Butterfly That Barely Ages Could Help Unlock Longevity Secrets

June 22, 2026 Scientists discovered that Heliconius butterflies have evolved an extraordinary lifespan, living several times longer than closely related species. Even more surprising, some show little sign of physical decline as they age. Their unusual ...

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 lung complications and has no specific treatment ...

Latest Headlines

updated 11:08am EDT

The Tea in Your Kombucha Changes More Than Just the Taste

June 23, 2026 Scientists discovered that kombucha’s flavor, chemistry, and antioxidant activity vary dramatically depending on the tea used to make it. Green and oolong tea kombuchas emerged as the most ...

One Common Fat May Fuel Type 2 Diabetes While Another Helps Fight It

June 21, 2026 Not all fats affect your body the same way. Researchers found that palmitic acid, a saturated fat common in many foods, may contribute to insulin resistance and type 2 diabetes by triggering ...

Long-Lived Families Reveal a Rare Genetic Clue to Healthy Aging

June 21, 2026 A study of long-lived families has identified rare genetic variants that may help people stay healthier for much longer as they age. One standout mutation appears to temper inflammation, potentially ...

Tubulin Prevents Toxic Brain Protein Clumps Linked to Alzheimer’s and Parkinson’s

June 21, 2026 Scientists at Baylor College of Medicine may have uncovered a promising new way to combat Alzheimer’s and Parkinson’s disease. Instead of trying ...

Yale Study Finds Nearly Half of Older Adults Improved With Age

June 21, 2026 A long-term Yale study is challenging one of the biggest myths about aging. Nearly half of adults over 65 improved physically, mentally, or both over time, despite the common belief that aging means ...

Scientists Discover Neurons Must Break Their DNA to Build the Brain

June 21, 2026 As newborn neurons make their way through the developing brain, they must squeeze through incredibly tight spaces to reach their final destinations. Researchers discovered that this physical journey ...

Major Review Finds Vaping Likely Causes Lung and Oral Cancer

June 21, 2026 Researchers have concluded that nicotine vapes are likely to cause lung and oral cancers, based on evidence ranging from human biomarkers to animal and laboratory studies. The findings challenge the ...

This DNA Repair Gene Went Rogue and Exposed a Cancer Weakness

June 20, 2026 Scientists have discovered that a gene normally considered a DNA-protecting "good guy" can become dangerous when cells make too much of it. The gene, EXO1, acts like molecular scissors that help ...

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 ...

Think You're Eating Healthy? You May Be Missing This Heart-Protecting Nutrient

June 19, 2026 Eating five servings of fruits and vegetables may not be enough if you're missing foods rich in flavanols, a group of compounds linked to better ...

Scientists Reprogram Brain Immune Cells to Fight Alzheimer’s

June 19, 2026 A newly identified molecule called OLE helped restore the brain’s immune cells to a more protective state in Alzheimer’s models. The treatment reduced toxic plaque buildup and improved memory, ...

Ancient DNA Reveals Plague Was Already Killing Humans 5,500 Years Ago

June 18, 2026 Plague was already a deadly killer 5,500 years ago, long before cities, farming, or the rat-infested conditions usually linked to historic outbreaks. By analyzing ancient DNA from hunter-gatherer ...

Ozempic and Wegovy Linked to Surprising Drop in Violent Behavior

June 17, 2026 A Rutgers study suggests GLP-1 drugs such as Ozempic and Wegovy may weaken the link between impulsive tendencies and violent behavior. The surprising finding hints that these medications could affect ...

A Daily Probiotic May Help Relieve Depression and Anxiety

June 17, 2026 A small clinical trial suggests that probiotics may offer a surprising mental health boost for older adults with depression. Seniors who took a daily probiotic alongside their regular antidepressant ...

A Surprising Discovery Reveals the Kidney Has a Secret Backup System

June 17, 2026 Scientists at Mayo Clinic have uncovered a surprising new way the kidneys conserve water, revealing a hidden backup system that works independently of the hormone long believed to control the ...

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 ...

Scientists Found an Early Depression Clue Hidden in Children’s Eyes

June 16, 2026 Depression appears to change what children notice in the faces around them, but the effect depends on family history. Kids with a higher inherited risk became more focused on sadness, while ...

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 ...

Semaglutide (Ozempic) Linked to Fewer Bone Fractures Despite Greater Weight Loss

June 16, 2026 A large real-world study suggests semaglutide (Ozempic, Wegovy, Rybelsus) may offer an unexpected bonus for people with type 2 diabetes: stronger protection against bone fractures while delivering ...

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 ...

Common Plastic Chemical Linked to Lifelong Anxiety in New Study

June 17, 2026 Exposure to a common plastic chemical before and shortly after birth may have lasting effects on behavior. Researchers found that male rats exposed early in life to DEHP—a plasticizer used in ...

Scientists Found a Surprising Problem With Sugar-Free Diets

June 14, 2026 A surprising new study suggests that completely eliminating sugar may backfire. Mice on a sucrose-free low-fat diet showed worse blood sugar control, increased inflammation, disrupted gut bacteria, ...

People Taking GLP-1 Weight Loss Drugs Like Ozempic Started Moving Less

June 14, 2026 People taking popular weight-loss drugs such as Ozempic, Wegovy, Mounjaro, and Zepbound may be losing pounds, but they could also be moving less. Researchers analyzing Fitbit data found that daily ...

Why Grandparents Matter More Than Ever for Children's Mental Health

June 13, 2026 A child psychologist says grandparents are more important than ever as youth mental health challenges continue to rise. He argues that children need supportive relationships, meaningful ...

New Study Explores Potential Cross-Species Spread of Chronic Wasting Disease

June 16, 2026 A new study found that chronic wasting disease can sometimes spread silently, with infectious prions present even in animals that show no symptoms. While there is no confirmed human risk, researchers ...

New Fentanyl Vaccine Blocks Deadly Overdoses Before They Start

June 13, 2026 A new experimental vaccine developed by Scripps Research could offer a powerful new way to prevent fentanyl overdoses by stopping the drug before it reaches the brain. Rather than targeting only ...

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. ...

Can Fasting Fight Gum Disease? Scientists Find Surprising Link

June 12, 2026 A low-calorie fasting-style diet significantly reduced inflammation linked to gum disease in a small clinical study. The findings suggest that what people eat may influence gum health almost as much ...

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 ...

New GLP-1 Diabetes Pill Delivers Major Weight Loss and Blood Sugar Control

June 15, 2026 A new oral GLP-1 medication helped people with type 2 diabetes dramatically improve blood sugar control and lose weight in a major clinical trial. The results suggest that highly effective diabetes ...