Teen Health News

October 2, 2025

Top Headlines

Tylenol in Pregnancy Linked to Higher Autism Risk, Harvard Scientists Report

Sep. 24, 2025 — Researchers reviewing 46 studies found evidence linking prenatal acetaminophen (Tylenol) exposure with higher risks of autism and ADHD. The FDA has since urged caution, echoing scientists’ advice ...

AI Breakthrough Finds Life-saving Insights in Everyday Bloodwork

Sep. 23, 2025 — AI-powered analysis of routine blood tests can reveal hidden patterns that predict recovery and survival after spinal cord injuries. This breakthrough could make life-saving predictions affordable and accessible in hospitals ...

Childhood Plastic Exposure Could Be Fueling Obesity, Infertility, and Asthma

Sep. 22, 2025 — A sweeping review from NYU Langone Health reveals that everyday exposure to plastics—especially during childhood—poses lasting risks for heart disease, infertility, asthma, and even brain ...

Smoking’s Hidden Gut Bacteria Trick May Lead to New Colitis Treatments

Sep. 19, 2025 — For decades, scientists have puzzled over why smoking makes Crohn’s disease worse but seems to protect people from ulcerative colitis. Now, researchers at RIKEN have discovered that smoking creates metabolites like hydroquinone that allow mouth ...

Stanford Scientists Reveal Simple Shift That Could Prevent Strokes and Obesity Nationwide

Sep. 16, 2025 — Switching clocks twice a year disrupts circadian rhythms in ways that harm health. Stanford scientists found permanent standard time would reduce obesity and stroke rates nationwide, making it the ...

Ozempic’s Hidden Pregnancy Risk Few Women Know About

Sep. 9, 2025 — Thousands of women are using GLP-1 drugs like Ozempic for weight loss without contraception, leading to unintended pregnancies and potential risks for unborn babies. Experts warn clearer medical guidance is urgently ...

One Number at Age 7 Could Predict How Long You Live

Sep. 7, 2025 — Children with higher blood pressure as young as age 7 face a sharply increased risk of dying from cardiovascular disease by their mid-50s, according to a massive decades-long study. Researchers found that even moderately elevated readings, not just ...

Cells “Vomit” Waste in a Hidden Healing Shortcut That Could Also Fuel Cancer

Aug. 30, 2025 — Scientists have uncovered a surprising new healing mechanism in injured cells called cathartocytosis, in which cells "vomit" out their internal machinery to revert more quickly to a stem cell-like ...

Rats Walk Again After Breakthrough Spinal Cord Repair with 3D Printing

Aug. 26, 2025 — University of Minnesota researchers developed a 3D-printed scaffold that directs stem cells to grow into functioning nerve cells, successfully restoring movement in rats with severed spinal cords. This promising technique could transform future ...

Why Some People Age Faster. and the 400 Genes Behind It

Aug. 22, 2025 — Researchers identified over 400 genes tied to various forms of frailty, offering fresh insight into why people age differently. The study highlights six distinct pathways of unhealthy aging, opening the door to more precise, targeted anti-aging ...

Genetic Evidence Confirms Early Puberty Accelerates Aging and Disease

Aug. 20, 2025 — Researchers discovered that early puberty or childbirth doubles women’s risk for major diseases and accelerates aging, while later timing offers protective benefits. Genetic analysis reveals evolutionary tradeoffs, where reproductive advantages ...

How Much Damage Are Ultraprocessed Foods Really Doing to Your Health?

Aug. 10, 2025 — Many foods we consume today are ultraprocessed, packed with unhealthy ingredients, and linked to major health risks. As consumption of these foods rises, so do chronic health issues, especially among lower-income groups. Experts are calling for ...

Latest Headlines

updated 10:07am EDT

Scientists Finally Explain the Real Reason Pregnant Women Get Morning Sickness

Sep. 29, 2025 — Morning sickness isn’t just random misery—it’s a biological defense system shaped by evolution to protect the fetus. By linking immune ...

Why Gen X Women Can’t Stop Eating Ultra-Processed Foods

Sep. 29, 2025 — Researchers found that middle-aged adults, especially women, are far more likely to be addicted to ultra-processed foods than older generations. Marketing of diet-focused processed foods in the 1980s ...

Can a Diet Really Ease Lipoedema? Sunniva’s Journey to Pain Relief and Weight Loss

Aug. 10, 2025 — Sunniva Kwapeng struggled with lipoedema, a painful condition causing disproportionate fat accumulation, until finally being diagnosed in her 40s. An ...

Unwanted Pregnancies Surge With Alcohol, but Not With Cannabis, Study Finds

Aug. 1, 2025 — Women who drank heavily, even though they strongly wished to avoid pregnancy, were 50% more likely to become pregnant than those who drank little or not at all, according to new research. ...

One Pregnancy Shot Slashes Baby RSV Hospitalizations by 72% — and Shields for Months

July 21, 2025 — A new UK study shows that vaccinating pregnant women against RSV has led to a staggering 72% drop in hospitalizations of newborns with severe lung ...

Three-Person DNA IVF Stops Inherited Disease—eight Healthy Babies Born in UK First

July 18, 2025 — In a groundbreaking UK first, eight healthy babies have been born using an IVF technique that includes DNA from three people—two parents and a ...

Sweet but Risky: Common Sweeteners May Be Accelerating Puberty in Kids

July 15, 2025 — Kids who consume artificial and natural sweeteners like aspartame, sucralose, and glycyrrhizin may face an increased risk of early puberty, especially if they carry specific genetic markers. This ...

The Sleep-Heart Link Doctors Are Urging Women Over 45 to Know

July 10, 2025 — Midlife sleep habits may matter more than previously thought. A large study finds that poor sleep, alongside high blood pressure and nicotine use, sharply increases the risk of heart problems in ...

Pregnancy’s 100-Million-Year Secret: Inside the Placenta’s Evolutionary Power Play

July 6, 2025 — A group of scientists studying pregnancy across six different mammals—from humans to marsupials—uncovered how certain cells at the mother-baby ...

Researchers Tested 200 Toddlers — 96 Chemicals Were Lurking in Their Bodies

July 2, 2025 — Researchers testing urine from 2- to 4-year-olds in four U.S. states uncovered 96 different chemicals, many of them unmonitored and linked to hormone ...

Synthetic Storm: What’s Really in Your Teen’s Vape — and Why Scientists Are Alarmed

July 1, 2025 — Teen vaping is changing fast — and not in a good way. A large national study found that more adolescents are vaping THC, CBD, and especially synthetic cannabinoids, which are often unregulated and ...

Candy Colors, THC Inside: How Cannabis Edibles Are Tricking Teen Brains

June 28, 2025 — Teens are being misled by cannabis edibles dressed up like health foods. Bright colors, fruit imagery, and words like vegan make these products look fun, natural, and safe even when they re not. A ...

Sleep-in Science: How 2 Extra Weekend Hours Can Calm Teen Anxiety

June 13, 2025 — Teens might finally have a good reason to sleep in on weekends within limits. A new study reveals that teenagers who get up to two extra hours of sleep on weekends show fewer anxiety symptoms than ...

Burning for Beauty: How TikTok Skin Trends Are Harming Young Girls

June 9, 2025 — Teens are diving into intense skincare routines inspired by TikTok, often slathering on six or more products daily, sometimes over ten in just minutes, chasing beauty ideals that favor lighter, ...

Student Discovers Long-Awaited Mystery Fungus Sought by LSD's Inventor

June 2, 2025 — Making a discovery with the potential for innovative applications in pharmaceutical development, a microbiology student has found a long sought-after fungus that produces effects similar to the ...

Timing, Consistency of Activity Linked to Better Fitness

May 28, 2025 — The timing and consistency of your daily activity might be associated with improved cardiorespiratory fitness and walking ...

Study Quantifies the Sleep Loss and Disruption Experienced by New Mothers

May 27, 2025 — Becoming a new mother brings more than just joyful chaos it delivers a profound and persistent sleep shock. A new study reveals that first-time moms lose not just total sleep, but crucial ...

Boys Who Are Overweight in Their Early Teens Risk Passing on Harmful Epigenetic Traits to Future Children

May 27, 2025 — A new study suggests that boys who become overweight in their early teens risk damaging the genes of their future children, increasing their chances of developing asthma, obesity and low lung ...

Significant Declines in Maternal Mental Health Across US

May 27, 2025 — A new study reveals a concerning decline in self-reported mental health among mothers in the United States between 2016 and 2023. The study also found modest but measurable declines in self-reported ...

Biological Markers for Teen Depression

May 22, 2025 — Using a novel lab method they developed, researchers have identified nine molecules in the blood that were elevated in teens diagnosed with depression. These molecules also predicted how symptoms ...

Good News for People With Migraine Who Take Drugs Before or During Pregnancy

May 21, 2025 — There's good news for people with migraine who take common drugs before or during pregnancy -- a new study found no increase in neurodevelopmental disorders such as autism and ADHD in their ...

Researchers Identify a Dual Origin of Cells Controlling Puberty and Reproduction

May 21, 2025 — Researchers have shown that gonadotrophs, cells in the pituitary gland with a key role in puberty and reproduction, come from two different populations, with the majority produced after birth rather ...

Clinical Trial Shows Improvements for Spinal Cord Injuries

May 21, 2025 — Researchers demonstrated unprecedented rates of recovery for spinal cord injuries. Individuals with incomplete spinal cord injury safely received a combination of stimulation of a nerve in the neck ...

Thinking Peers Drink More Drives Risky Behavior

May 20, 2025 — The study explores how social influences, particularly peer pressure, impact substance use -- and misuse -- among young adults. A confidential online survey on alcohol use was given to 524 students ...

Landmark Report Reveals Key Challenges Facing Adolescents

May 20, 2025 — Poor mental health, rising obesity rates, exposure to violence and climate change are among the key challenges facing our adolescents today, according to a global ...

Selenium Exposure During Pregnancy May Reduce Childhood Streptococcal Infections

May 20, 2025 — Higher maternal selenium levels during pregnancy were associated with a lower risk of streptococcal infections in children, suggesting a potential protective ...

Early Puberty Increases Risk of Overweight Later in Life for Girls

May 19, 2025 — Unique Danish longitudinal study with over 136,000 measurements reveals the connection between pubertal development and weight throughout ...

The Effect of Physical Fitness on Mortality Is Overestimated

May 15, 2025 — That fit people have a reduced risk of premature death from various diseases is a recurring result in many studies. New research shows that people with high fitness levels in their late teens also ...

Cyberbullying in Any Form Can Be Traumatizing for Kids

May 15, 2025 — New research shows that cyberbullying should be classified as an adverse childhood experience due to its strong link to trauma. Even subtle forms -- like exclusion from group chats -- can trigger ...

New Study Raises Concerns About the Safety of Long-Term ADHD Medication Treatment in Children

May 14, 2025 — A recent study reveals that the average duration of ADHD medication for children and adolescents is more than three years. However, reliable, controlled data on the safety of marketed ADHD medicines ...