Teen Health News

November 3, 2026

Top Headlines

Scientists Discover a Surprising Clue to Autism's Origins Hidden in the Placenta

Nov. 3, 2026 Scientists have uncovered an unexpected connection between inflammation during pregnancy, placental damage, and autism-like traits in male mice, while females appeared naturally protected. The ...

Drinking Tea May Help Protect Your Heart, but There’s a Surprising Catch

Nov. 1, 2026 A massive study of nearly 486,000 adults found that regularly drinking tea was associated with an 11% lower risk of heart and blood vessel diseases. The lowest risk was linked to drinking roughly six to eight cups per day, with black tea showing ...

A Single Brain Signal May Explain Schizophrenia's Most Puzzling Symptoms

Oct. 29, 2026 Scientists have identified a weakened brain signal that may connect several seemingly unrelated symptoms of schizophrenia, including sensory processing difficulties, disorganized speech, and greater symptom severity. The surprising discovery could ...

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 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 older mice improved the cells’ ability to clear ...

A 47-year Study Reveals the Age When Your Body Starts Losing Strength

Oct. 14, 2026 A 47-year study has uncovered a surprising turning point in physical aging: fitness and strength begin declining around age 35, even among people who exercise regularly. Researchers found that this decline accelerates as people get older, but ...

Nearly 30,000 People Tested Quit-smoking Methods. One Stood Out

Oct. 8, 2026 Nicotine e-cigarettes appear to help more smokers quit than patches, gum, and several other common approaches, according to a major review of 80 clinical trials. Researchers say regulated vaping products are not risk-free, but may be a significantly ...

Dads Are Dying After Their Kids Are Born, and Almost No One Is Tracking It

Oct. 7, 2026 A study of more than 130,000 babies born in Georgia found that hundreds of fathers died within the first five years of their child’s life, and about 60% of those deaths were potentially preventable. Homicide, accidental injuries, suicide, and drug ...

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 ...

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 ...

Children at Risk for Depression Get “Stuck” on Sad Faces

Sep. 29, 2026 Depression may change which emotional faces children notice most, but the pattern appears to depend on family history. Children at higher familial risk became increasingly focused on sad faces, while lower-risk children with rising symptoms paid ...

Latest Headlines

updated 8:33am EST

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 ...

One Immune Switch May Help Drive Aging Across the Body

Sep. 3, 2026 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 ...

A Mother’s Age Can Shape Her Offspring Without Changing Their DNA

Aug. 19, 2026 Scientists have found evidence that the effects of a mother’s age on her offspring may be driven by reversible changes in gene activity rather than permanent DNA damage. The discovery raises the ...

Common Food Preservative Linked to Rising Suicide Deaths Among Young People

Aug. 15, 2026 A widely available food-preservation chemical is emerging as a disturbing factor in rising UK suicide deaths, particularly among younger people and men. Researchers say the scale may be ...

A Stress Hormone May Help the Brain Repair Itself

Aug. 14, 2026 A surprising stress-related signal may help the brain repair itself after injury. Researchers found that myelin-producing precursor cells rapidly release the stress hormone CRH near damaged brain ...

Women Taking Estrogen Had Fewer Signs of Alzheimer’s in Their Brains

Aug. 14, 2026 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 ...

Frequent Cannabis Users Wake Up With Their “stress Hormone” Already Elevated

Aug. 9, 2026 Frequent cannabis users may wake up with unusually high levels of the stress hormone cortisol, suggesting their daily stress rhythms could be ...

Teen Cannabis Use Linked to Slower Memory and Thinking Growth

Aug. 7, 2026 Teens who start using cannabis may experience slower growth in memory, attention, language, and processing speed. Their abilities often developed normally at first, then began leveling off while ...

A 42-Year-Old Childhood Obesity Theory May Be Wrong

July 31, 2026 New research challenges the decades-old idea that children experience an “adiposity rebound” when their BMI begins rising around age 6. Although BMI returns to earlier levels, a more reliable ...

AI Can Tell If Your Brain Is Aging Faster Than You Are

July 31, 2026 A person’s sleeping brain may reveal warning signs of dementia long before memory problems begin. Researchers used machine learning to analyze EEG recordings from about 7,000 adults and found that ...

A Single Dose Reversed Autism-Like Symptoms in Adult Mice Within Hours

July 25, 2026 Even mild inflammation during pregnancy led mouse offspring to develop persistent brain overactivity, sensory sensitivity, repetitive behaviors, and increased seizure risk. Remarkably, one dose of ...

Scientists Found 45 Chemicals in Pregnant Women and Many Were Linked to Birth Risks

July 6, 2026 A large study found that pregnant women are exposed to dozens of common chemicals, many of which were associated with earlier births and lower birth weights. Researchers also discovered that some ...

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 ...

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 ...

Scientists Say Guava Juice Could Make Iron Supplements Work Better

May 27, 2026 Researchers found that drinking guava juice may significantly improve anemia by helping the body absorb iron more efficiently. In a review of 17 studies, women and teenage girls who consumed guava ...

Scientists Discover Why Alzheimer’s Risk Hits Women So Much Harder

May 20, 2026 Women may be especially sensitive to the effects of common dementia risk factors, according to a new UC San Diego study of over 17,000 adults. Researchers say tailoring prevention strategies ...

Why Are Healthy Young Non-Smokers Developing Lung Cancer?

July 13, 2026 An unexpected study found that young non-smokers with healthier diets had higher rates of lung cancer, raising questions about whether pesticide exposure from conventionally grown produce could play ...

Eating More Fruits and Vegetables Tied to Unexpected Lung Cancer Risk

Apr. 17, 2026 A surprising new study suggests that eating a very healthy diet—packed with fruits, vegetables, and whole grains—might be linked to a higher risk of lung cancer in younger non-smokers. ...

Major Genetic Breakthrough Reveals Hidden Causes of Severe Morning Sickness in Pregnancy

July 23, 2026 A massive genetic study has identified nine new genes linked to hyperemesis gravidarum, the most severe form of pregnancy sickness, bringing the total number of known risk genes to ten. The ...

Fish Oil May Be Hurting Your Brain, New Study Finds

Apr. 26, 2026 Fish oil has long been praised as brain-boosting, but new research suggests the story may be more complicated. Scientists found that in people with repeated mild head injuries, a key omega-3 fatty ...

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 ...

New Weight Loss Pill Beats Oral Ozempic in Major Trial

July 7, 2026 A new once-daily weight-loss pill called orforglipron delivered better weight loss and blood sugar improvements for people with type 2 diabetes than the leading oral semaglutide in a major clinical ...

Fathers Face Rising Depression Risk a Year After Baby Arrives

Mar. 24, 2026 New fathers appear to have fewer mental health diagnoses during pregnancy and the early months after birth. But that early stability does not last. About a year later, depression and stress-related ...

Scientists Find a Way to Stop Dangerous Belly Fat as We Age

May 7, 2026 Aging doesn’t just add fat—it redistributes it in risky ways, pushing more into the abdomen where it can harm health. Scientists found that testosterone plays a key role in this shift. In older ...

The Forgotten Organ That Could Predict How Long You Live

June 1, 2026 A long-overlooked organ may hold surprising clues to healthy aging and cancer survival. Researchers at Mass General Brigham used AI to analyze CT scans from tens of thousands of adults and found that ...

These “forever Chemicals” Could Be Weakening Kids’ Bones for Life

Mar. 21, 2026 “Forever chemicals” may be affecting kids in ways that last a lifetime. A new study links early PFAS exposure to lower bone density during the teen years, especially in girls. Researchers also ...

Scientists Link Childhood Stress to Lifelong Digestive Issues

Mar. 17, 2026 Early life stress may set the stage for long-term digestive problems by disrupting the gut-brain connection. Studies in both mice and thousands of children found links to symptoms like pain, ...

Teens Sleep Longer and Perform Better When School Starts Later

Mar. 11, 2026 Teenagers naturally fall asleep later, which makes early school start times a recipe for chronic sleep deprivation. Researchers studying a Swiss high school that introduced flexible start times found ...

American Heart Association Warns 60% of US Women Will Have Cardiovascular Disease by 2050

Feb. 27, 2026 Heart disease is on track to tighten its grip on American women. New projections from the American Heart Association warn that over the next 25 years, cardiovascular disease will rise sharply, driven ...

Scientists Finally Reveal Why Mint Feels Cold

Mar. 8, 2026 Scientists have revealed how the body’s microscopic cold sensor, TRPM8, detects both chilly temperatures and the cooling effect of menthol. The discovery finally shows how the sensation of ...