Alzheimer's, a brain disorder associated with memory loss, is caused when plaque accumulates on neurons, killing the cells off and causing brain shrinkage.
While we tend to associate olfaction with our noses and brains, other parts of our body also have a "sense of smell."
Is drinking yourself 'blind' just an exaggeration, like 'eating till you burst'? Or can alcohol really turn out the lights?
Scientists believe human brain development is the result of genetic mutations that occurred millions of years ago.
Around age 20, we begin to lose neurons to the process of aging. By 75, nearly one-tenth of the neurons you were born with have died.
Most reflexes do not involve the brain; they are fast, involuntary responses that travel over what is known as a reflex arc.
Messages of touch trigger the release of a chemical called GABA, which diminishes the intensity of the outgoing message.
Scientists used to think that for all its complexity, the brain was pretty static. But... is this true today?
This Thanksgiving, before you dig into your feast, take a moment to learn about how you experience all those different and wonderful tastes!