Humans
- Health & Medicine
Internet use may harm teen health
Using the Internet more than two hours a day puts teens at risk of high blood pressure, a new study finds.
- Brain
Explainer: What is anxiety?
Anxiety is the stress linked to worries about an upcoming event — one that may not even happen. But anxiety can affect the body every bit as much as does the stress provoked by staring down a hungry lion.
- Health & Medicine
If you’re awake, you’re probably eating
The idea that we eat three meals a day is a myth. People eat nearly constantly, and that may not be good for our health.
- Health & Medicine
These bubbles treat wounds
New research shows bubble-powered drugs can travel upstream, against the flow of blood, to seal wounds shut.
- Brain
Study challenges safety for teens of two depression drugs
Scientists reanalyze data on the safety of common drugs to treat depression and find that they don’t seem to help teens. Worse, the drugs may harm them.
- Microbes
News Brief: People shed clouds of tell-tale germs
Even after someone has left a room, a cloud of his or her germs laces the air, new data show. Watch out: That mix can be very individual — and even ID you!
- Animals
Cool Jobs: Finding new uses for nature’s poisons
Scientists study toxins and other natural compounds in search of alternatives to ineffective antibiotics and dangerous pesticides.
- Environment
Store-receipt chemicals taint blood and urine
Cashiers who handle receipts absorb potentially risky levels of chemicals that coat the receipts, a new study shows.
- Psychology
Friends’ good moods can be contagious
Good mental health spreads through teen social networks, but depression doesn’t, a new study finds.
- Health & Medicine
Nobel goes for developing drugs from nature
The 2015 Nobel Prize in medicine went to scientists who used nature as the model for important human drugs to combat malaria and serious infections.
- Health & Medicine
Alcohol can rewire the teenage brain
Alcohol — especially binge drinking — can harm teens. New research shows teen drinking may leave a lasting legacy.
- Humans
Bronze Age mummies unearthed in Great Britain
Bronze Age communities from southern England to Scotland appear to mummified their dead. Tests show this occurred between roughly 3,000 and 4,000 years ago.
