Teen Health News

January 19, 2026

Top Headlines

Major Review Finds No Autism or ADHD Risk from Pregnancy Tylenol

Jan. 19, 2026 A major new scientific review brings reassuring news for expectant parents: using acetaminophen, commonly known as Tylenol, during pregnancy does not increase a child’s risk of autism, ADHD, or intellectual disability. Researchers analyzed 43 ...

MIT’s Smart Pill Confirms You Took Your Medicine

Jan. 13, 2026 MIT engineers have developed a pill that can wirelessly report when it’s been swallowed. Inside the capsule is a biodegradable antenna that sends a signal within minutes of ingestion, then safely dissolves. The system is designed to work with ...

The Simplest Way Teens Can Protect Their Mental Health

Jan. 7, 2026 Teens who sleep in on weekends may be giving their mental health a boost. A new study found that young people who made up for lost weekday sleep had a significantly lower risk of depression. While consistent sleep is still best, weekend catch-up ...

A Simple Drug Pair May Succeed Where Liver Fibrosis Treatments Failed

Jan. 6, 2026 Scientists have found that combining silybin with carvedilol works far better against liver fibrosis than either drug alone. The duo targets the root drivers of liver scarring, sharply reducing collagen buildup and liver damage in experimental ...

A Smarter Way to Screen for Breast Cancer Is Emerging

Jan. 4, 2026 A groundbreaking study shows that breast cancer screening works better when it’s personalized. Instead of annual mammograms for all, women were screened based on genetics, health history, and lifestyle factors. This approach reduced advanced ...

Age Does Not Stop Nerve Healing After Spinal Cord Injury

Jan. 3, 2026 As spinal cord injuries increasingly affect older adults, new research reveals a surprising pattern in recovery. The study shows that aging does not appear to slow the healing of nerves themselves, with older patients regaining strength and ...

New Antibiotic Pill Shows Promise Against Drug-resistant Gonorrhea

Jan. 3, 2026 A one-dose oral drug called zoliflodacin has proven highly effective against gonorrhoea in a major international trial. The pill matched the success of current treatments while avoiding injections and complex dosing. As antibiotic resistance ...

Stanford Scientists Uncover Why MRNA COVID Vaccines Can Trigger Heart Inflammation

Dec. 27, 2025 Stanford scientists have uncovered how mRNA COVID-19 vaccines can very rarely trigger heart inflammation in young men — and how that risk might be reduced. They found that the vaccines can spark a ...

Neurons Aren’t Supposed to Regrow but These Ones Brought Back Vision

Dec. 19, 2025 After injury, the visual system can recover by growing new neural connections rather than replacing lost cells. Researchers found that surviving eye cells formed extra branches that restored communication with the brain. These new pathways worked ...

Anxiety and Insomnia Linked to Sharp Drops in Key Immune Cells

Dec. 15, 2025 Natural killer cells act as the immune system’s rapid-response team, but the stress of anxiety and insomnia may be quietly thinning their ranks. A study of young women in Saudi Arabia found that both conditions were linked to significantly fewer ...

Kids’ Anxiety and Depression Dropped Fast After COVID School Reopenings

Dec. 13, 2025 Researchers discovered that children who went back to school during COVID experienced far fewer mental health diagnoses than those who stayed remote. Anxiety, depression, and ADHD all declined as in-person learning resumed. Healthcare spending tied ...

Stressed Rats Keep Returning to Cannabis and Scientists Know Why

Dec. 11, 2025 Rats with naturally high stress levels were far more likely to self-administer cannabis when given access. Behavioral testing showed that baseline stress hormones were the strongest predictor of cannabis-seeking behavior. Lower cognitive flexibility ...

Latest Headlines

updated 10:26am EST

Brain Scans May Finally End the Guesswork in Depression Treatment

Jan. 4, 2026 Researchers compared a traditional Chinese medicine, Yueju Pill, with a standard antidepressant and found both reduced depression symptoms. However, only Yueju Pill increased a brain-supporting ...

This Tiny Peptide Could Help Stop Brain Damage After Injury

Dec. 24, 2025 A four–amino acid peptide called CAQK has shown powerful brain-protective effects in animal models of traumatic brain injury. Delivered through a standard IV, it zeroes in on injured brain tissue, ...

Indoor Tanning Triples Melanoma Risk and Seeds Broad DNA Mutations

Dec. 15, 2025 Researchers discovered that tanning beds cause widespread, mutation-laden DNA damage across almost all skin, explaining the sharply increased melanoma risk. Single-cell genomic analysis revealed ...

Why Ultra-Processed Foods Make Teens Eat More When They Aren’t Hungry

Dec. 10, 2025 A Virginia Tech study shows that ultra-processed foods may influence adolescents differently from slightly older young adults. Participants aged 18 to 21 ate more at a buffet and snacked even when ...

A Routine Shingles Shot May Offer Powerful Defense Against Dementia

Dec. 3, 2025 A unique vaccine rollout in Wales gave researchers an accidental natural experiment that revealed a striking reduction in dementia among seniors who received the shingles vaccine. The protective ...

Scientists Reveal What Really Drives the “freshman 15”

Dec. 3, 2025 College life creates a perfect storm for overeating, as students consume more calories when surrounded by friends, eating in dining halls, or following unstructured schedules. A four-week study using ...

Doctors Are Seeing More Aggressive Breast Cancer in Younger Women Than Expected

Dec. 1, 2025 Younger women are being diagnosed with breast cancer more often than screening guidelines anticipate. Many of these cancers are invasive and harder ...

Simple Thyroid Check in Pregnancy May Lower Autism Risk

Nov. 29, 2025 Researchers have found that ongoing thyroid hormone imbalance in pregnancy may be linked to higher autism risk in children. Treated thyroid disorders did not show the same effect. The longer the ...

Millions Are About to Choose the Wrong Medicare Plan

Nov. 29, 2025 Millions face Medicare decisions each year, but many don’t take advantage of tools that can save them money and stress. Insurance marketing often overshadows unbiased options like SHIP, leaving ...

Nov. 28, 2025 A major review across 73 countries finds that access to antiseizure medications is rising, but safe prescribing isn’t keeping pace. Valproate—linked to serious birth defects—remains widely used ...

A Common Nutrient Deficiency May Be Silently Harming Young Brains

Nov. 27, 2025 Scientists studying young adults with obesity discovered early indicators of brain stress that resemble patterns seen in cognitive impairment. The group showed higher inflammation, signs of liver ...

Just a Few Cigarettes a Day Can Damage Your Heart for Decades

Nov. 22, 2025 People who smoke only a couple of cigarettes a day still face surprisingly high risks of heart problems and early death. A large review of long-term studies shows that even very light smokers can see ...

Scientists Reverse Kidney Damage in Mice, Hope for Humans Next

Nov. 14, 2025 Researchers uncovered how fatty molecules called ceramides trigger acute kidney injury by damaging the mitochondria that power kidney cells. By altering ceramide metabolism or using a new drug ...

Running on Little Sleep? You’re Twice as Likely to Get Hurt

Nov. 11, 2025 Researchers found that runners who sleep poorly face nearly double the injury risk compared to those who rest well. The study highlights that sleep is not just recovery—it’s a key factor in ...

New Research Finds No Clear Link Between Acetaminophen (Tylenol) and Autism

Nov. 10, 2025 A sweeping review of existing studies finds no solid evidence that using acetaminophen (Tylenol) during pregnancy increases the risk of autism or ADHD in children. Researchers found that previous ...

Common Acne Drug May Protect Against Schizophrenia

Nov. 6, 2025 Scientists have discovered a surprising benefit of the acne drug doxycycline: it may lower the risk of schizophrenia. Teens prescribed the antibiotic were about one-third less likely to develop the ...

Scientists Find Brain Chemical Tied to Trauma and Depression

Nov. 10, 2025 Researchers identified SGK1 as a key chemical connecting childhood trauma to depression and suicidal behavior. High SGK1 levels were found in the brains of suicide victims and in people with genetic ...

C-Section Births Linked to Sleepless Nights and Painful Recoveries

Oct. 13, 2025 Women who undergo C-sections are more likely to experience debilitating pain and sleep disorders in the months after giving birth. Researchers found both qualitative and large-scale data supporting ...

Scientists Discover Brain Circuit That Can Switch Off Chronic Pain

Oct. 10, 2025 Scientists have pinpointed Y1 receptor neurons in the brain that can override chronic pain signals when survival instincts like hunger or fear take precedence. Acting like a neural switchboard, these ...

Nearly Half of Drivers Killed in Crashes Had THC in Their Blood

Oct. 5, 2025 Over 40% of fatal crash victims had THC levels far above legal limits, showing cannabis use before driving remains widespread. The rate didn’t drop after legalization, suggesting policy changes ...

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 ...

Oct. 13, 2025 Finasteride, a common hair-loss drug, has long been tied to depression and suicide, but regulators ignored the warnings. Prof. Mayer Brezis’s review exposes global data showing psychiatric harm and ...

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 responses to nausea and food aversions, UCLA researchers ...

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 ...

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 ...

Wegovy in a Pill? Massive Weight Loss Results Revealed

Nov. 6, 2025 Novo Nordisk’s oral semaglutide 25 mg achieved up to 16.6% weight loss in a landmark study, rivaling injectable Wegovy. The pill also improved cardiovascular risk factors and physical activity ...

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

Sep. 15, 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 ...

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 ...

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 ...