Girls' ADHD symptoms are often mistakenly attributed to other issues, like anxiety or depression, and it may take until adulthood for women to be accurately diagnosed.

The Future of Mental Health

Why Are So Many More Women Being Diagnosed With ADHD?

Experts once thought ADHD was something only boys experienced. The research is finally starting to catch up with reality

The patient looks through measuring goggles at a series of markers on a grid. 

Can a Medical Device Restore Your Balance?

Nearly two million people worldwide have lost the simple ability to feel steady. Now researchers have developed an experimental medical implant that promises to restore the sensory machinery responsible for balance

Experts say those patients at the highest risk of developing severe illness should get vaccinated.

Six Questions About Covid-19 Vaccines, Answered

Recent vaccination announcements have led to some confusion. Four physicians weigh in on who should get vaccinated and when

A computer illustration details dog roundworm (Toxocara canis). Humans can pick up the parasite when coming into contact with infected soil or feces.

How Worm-Inspired Treatments Are Inching Their Way Toward the Clinic

Infection by certain wrigglers may reduce inflammation and fight obesity and diabetes. Scientists are working to turn the findings into therapies

Heart disease is the leading cause of death globally, according to the World Health Organization.

This 14-Year-Old Built an App That Detects Heart Diseases in Seconds

Siddarth Nandyala wants to put his tool in the hands of medical professionals so that they can catch cardiovascular abnormalities in their early stages

New research is revealing how climate change is impacting our eyes.

Climate Change Is Threatening Eye Health in Disturbing Ways

Cataracts, pinkeye and other ocular disorders are linked to heat, air pollution and higher UV exposure

Many teens have shared videos on social media showing their use of nitrous oxide, or laughing gas, which is sold in small metal canisters.

The Long, Strange History of Nitrous Oxide, a Popular Drug Users Have Been Inhaling for Hundreds of Years

Galaxy Gas has brought the drug back into the spotlight, and scientists are raising alarms about its health risks

Illustration of a human cancer cell

How Do Cancer Cells Migrate to New Tissues and Take Hold?

Scientists are looking for answers about how these confounding trips, known as metastases, occur throughout the human body

Chloe Yehwon Lee was a finalist in the 2025 Regeneron Science Talent Search, the most distinguished STEM competition for high school seniors in the United States.

This 17-Year-Old Scientist Is Making an Acetaminophen Alternative That Is Less Damaging to the Liver

Chloe Yehwon Lee’s research could change the painkiller, known by the brand name Tylenol, for the better, ultimately reducing emergency room visits and cases of liver failure

More than a third of endometriosis patients are misdiagnosed with mental health conditions.

For Some Women With Serious Physical Ailments, Mental Illness Has Become a Scapegoat Diagnosis

Patients with difficult-to-diagnose conditions like endometriosis are often sent home with diagnoses like anxiety or bipolar disorder

The city of Potosí rests at high altitude in Bolivia.

Can Researchers Find Remedies for the Problems Created by High-Altitude Pregnancies?

In people not adapted to life at altitude, the sparse oxygen can impair fetal growth, causing issues that can last a lifetime

Transplanting pig organs into people may soon become routine.

The Future of Transplanting Pig Organs in People

After years of research into xenotransplantation, the field is at a turning point—yet risks and ethical issues remain

Stanleya pinnata, or "prince's plume," takes up large amounts of selenium from the soil.

About One Billion People Are Deficient in Selenium. Genetic Engineering Could Change That

Hoping to stave off a global health crisis, scientists are breeding a new generation of crops that suck the mineral, which helps the thyroid and immune system, from soil

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The Talented and Valiant Female Surgeon Who Joined Allied Forces in WWII and Broke Barriers Along the Way

Prohibited from serving with the U.S. Army as a medical officer, Barbara Stimson was commissioned by the British—and helped open the American military to female doctors

The crusading physician pictured circa 1915, just a few years after she began her game-changing research among industrial workers. 

How Alice Hamilton Waged a One-Woman Campaign to Get the Lead Out of Everything

At first a crusader for workplace safety, the trained physician railed against the use of the toxic and ubiquitous material

The Consumer Electronics Show (CES) 2025 took place in Las Vegas, Nevada, this week.

The Eight Coolest Inventions From the 2025 Consumer Electronics Show

A needle-free injection system, a bug-watching garden camera, a wearable that helps with memory lapses and more were unveiled at the annual Las Vegas trade show

The world’s first Covid-19 human challenge study was born in early 2021.

What Have We Learned From Intentionally Infecting People With Covid-19?

Challenge trials help researchers study immune responses. Skeptics still doubt the approach is worth the risks

In 2024, engineers used a fluorescent protein found in some jellyfish to create a non-toxic spray that highlights fingerprints at a crime scene.

Seven Scientific Discoveries From 2024 That Could Lead to New Inventions

From indestructible tardigrades to body-merging comb jellies, animals can teach humans so much about medicine, robotics, aging and survival

Air Ring 48 attaches to the base of a construction helmet, providing crucial airflow to the sweatiest areas of the head and neck.

Could This New Wearable Device Reduce Heat Stress in Construction Workers?

Architecture students at the University of Hong Kong invented a cooling apparatus that attaches to a construction helmet

A dried sample of the original Penicillium mold that Fleming discovered in 1928.

The ‘Penicillin Girls’ Made One of the World’s Most Life-Saving Discoveries Possible

The true, forgotten and sometimes-stinky history of the cohort who took Alexander Fleming’s innovation and forever changed the face of modern medicine

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