Brain
- Health & Medicine
Teens’ cell phone use linked to memory problems
A new study suggests teens who get more exposure to cell-phone radiation — and hold their phones up to their right ear — do worse on one type of memory test.
- Brain
Football and hockey don’t necessarily doom players’ brains to serious damage
A broad look at the brains and behavior of retired pro football players and hockey players finds no signs of early dementia.
- Brain
Body heat due to exercise may reduce hunger
Why aren’t animals hungry after a workout? Brain cells that control appetite may sense the exercise heat — and keep you out of the kitchen, a new study finds.
- Brain
Soccer headers may hurt women’s brains more than men’s
Women sustain more brain damage from heading soccer balls than men, a new imaging study indicates.
- Health & Medicine
Taste good? Senses inform the brain — but don’t tell everyone the same thing
Whether something tastes appetizing depends on what a host of different sensory nerves collectively tell the brain. Warning: Sometimes they aren’t dependable — or even truthful.
- Health & Medicine
Explainer: Taste and flavor are not the same
What’s behind a food’s flavor? More than what we taste, it turns out.
- Brain
Scientists Say: Ventral striatum
The ventral striatum is an area of the brain that plays an important role in mood, learning and addiction. It has a lot of dopamine, a chemical messenger.
- Brain
Belly bacteria can shape mood and behavior
Our guts and our brains are in constant communication with the goal of managing a whole lot more than food digestion. Their conversations can affect stress, behaviors — even memory.
- Brain
Not all social media sites are equally likely to provoke anxiety
Most teens are on social media. Could these sites cause anxiety? A teen checks it out — and finds big differences.
- Psychology
Bullying alters ‘bugs’ in the gut, hamster data show
A new study found that the microbes in a hamster’s gut changed in response to social stress.
- Brain
Explainer: What are opioids?
Opioid drugs can kill pain, but they can also kill people. Here’s how.
- Brain
Teeny tiny hairs on brain cells could have big jobs
Brain cells have tiny antennae called cilia. But no one really seemed to know what they did. Now, scientists have shown they could play a role in obesity.
