The brain needs to flush out waste products to stay healthy and fend off conditions like Alzheimer's disease. Scientists are beginning to understand how the the brain's waste removal system works.

What happens to our brains as we get older? Well, for the most part, they shrink—but not all of this shrinkage is inevitable. To find out how to slow, and even reverse, age-associated brain shrinkage, ...

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Taking care of your cognitive health ought to be—well, a no-brainer. According to a survey published in March, 87% of Americans are concerned about age-related memory loss and a decline in brain ...