Brain

Brain

Learning rewires the brain

Brain cells actually change shape as we learn. It’s one way we cement new knowledge. And much of the action happens as we sleep.

Brain

Lacrosse: Different genders, same injuries

Scientists find that boys’ and girls’ versions of lacrosse lead to similar injuries. Because girls frequently get concussions, the study argues that like the boys, girls too should wear helmets.

Brain

Choosing shocks over contemplation

Some people think being alone is unpleasant. In one new study, some found choosing to get a painful shock helped them endure being alone for 15 minutes.

Animals

Bugs may have made us brainy

Finding and eating bugs when other food was scarce helped primates — including our ancestors — evolve bigger and better brains. At least that’s the conclusion of a new study in Costa Rica.

Health & Medicine

Young blood: The elixir of youth?

Old mice show improved memory when blood from young mice circulated through their brains, a new study finds. Other studies suggest one ingredient in that young blood might be all it takes to deliver benefits.

Brain

Hunger’s little helpers

Astrocytes were thought to be nothing more than support cells for neighboring nerve cells. A new study suggests they do much more. These brain cells may help control appetite, too.

Brain

Football hits the brain hard

The brain’s hippocampus helps store memories. It is smaller in college football players — especially if they have suffered concussions.

Brain

The scent of a woman — or a man

Animals unwittingly signal things about themselves by giving off subtle scents. A new study claims the same is true for people.

Brain

Ghosts in your head

Many people see, feel and hear things that aren’t really there — despite how much their brain tries to convince them otherwise.

Brain

Loneliness can breed disease

Everyone experiences loneliness from time to time. But when allowed to persist, loneliness can damage your health and steal years from your life.

Brain

Understanding Autism

Genetics appears to play some role in this disorder, which affects more than one percent of all Americans.

Brain

Getting a head start on autism

Early diagnosis followed by early treatment may reduce autism’s impact on kids — and help them to communicate better.