Humans
- Brain
Search for ‘rewards’ is big driver in remodeling a teen’s brain
Communication ‘highways’ in the brain undergo a major overhaul as children morph into adults. Dopamine plays a big role in this remodeling project.
- Health & Medicine
Let’s learn about exercise
Our bodies — from our muscles to our brains — love a good workout. Scientists are always learning new things about exercise.
- Psychology
Too much sitting could hurt your mental health
As inactivity increases, so does risk of depression and other mental health problems, new studies show. But breaks for even light activity can help.
- Health & Medicine
Six tips to build more movement into your day
Most people don’t move enough. The trick is to do what you can whenever you can, even if it’s just standing up more than once an hour and walking a bit.
- Materials Science
Bandages made from crab shells speed healing
The chitin in seafood wastes, insect “bones” and fungi is a chemist’s dream. Used in a new medical dressing, it beats regular gauze for wound healing.
- Health & Medicine
Could a toothpaste help treat peanut allergy?
By rolling an immune therapy into a toothbrushing routine, one company hopes to show its product can build and maintain tolerance to peanut allergens.
- Health & Medicine
Scientists Say: Placebo
In clinical trials, scientists often test a drug or procedure against a placebo — a treatment that has no effect — to find out how well their new treatment works.
- Health & Medicine
Urban pollution can pose unseen risks to kids’ immunity and more
A trio of new studies links immune changes and high blood pressure to inhaling bad air.
- Health & Medicine
Brown bandages would help make medicine more inclusive
Peach-colored bandages label dark-skinned patients as unusual, says med student Linda Oyesiku. Brown bandages expand who’s seen as normal.
- Psychology
Boredom may pose a public health threat in the social distancing era
Boredom contributes to pandemic fatigue, and it may account for why some people don’t follow social distancing rules.
- Health & Medicine
Teen depression linked to how the brain processes rewards
Depression in teens alters their brains’ pathways in ways that may put those kids at risk of lifelong mental-health problems — unless they get help.
- Health & Medicine
Bringing COVID-19 vaccines to much of world is hard
The price of not vaccinating nearly everyone across the world could be a longer pandemic and more troubling variants of the new coronavirus.
