Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.

VOA: special.2009.10.20

The brain also needs a "cognitive rest," they say, by restricting activities like video games, texting and watching TV.

VOA: special.2009.10.28

The only way to be sure a person has Alzheimer's is to examine the victim's brain after death.

VOA: special.2009.09.15

For example, genes direct formation of the fetus's brain at set times in a woman's pregnancy.

VOA: special.2010.03.23

Nora Guthrie suffered from a disease that destroys the brain and nervous system.

VOA: special.2010.06.13

Cholinesterase inhibitors may work by protecting a chemical messenger needed for brain activities.

VOA: special.2009.09.15

These problems were more common among males, those with injured nerve tissue in the brain and those who had been given oxygen supplies for days as a baby.

VOA: special.2010.11.30

MS is a disease of the brain and spinal cord.

VOA: special.2009.01.06

"When we plotted the circuits in the brain against their childhood lead blood lead levels, we found that those with a higher blood lead measurement had less activity in the part of the brain normally left to do the attention tasks,"

VOA: standard.2009.12.19

There are two kinds of strokes. An ischemic stroke happens when a blood vessel in the brain gets blocked.

VOA: special.2009.09.22

Studies have shown that activation of the trigeminal nerve may come from a part of the brain called the hypothalamus.

VOA: special.2011.05.03

"We looked at a very high resolution picture of the brain, where we can actually measure what's called cortical thickness.

VOA: special.2011.07.29

It gets worse over time. The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.04.07

For example, a person who speaks and reads fifteen languages, or a medical doctor who operates on the brain.

VOA: special.2010.06.27