prevent memory loss

Identifying Mild Cognitive Impairment

Most older adults have some memory slips, but mild cognitive impairment crosses the line from normal lapses into excessive memory changes. MCI is the stage that comes after age-associated memory impairment, and it sometimes—but not always—leads to dementia.

Currently, as many as 15 to 20 percent of Americans aged 65 and … Read More

“Exergaming”: Can It Boost Your Brainpower?

Combining physical exercise with video games can help boost motivation when it comes to getting enough physical activity, but “exergaming” isn’t just for kids—it may benefit adults, too. In a recent small study, older adults with mild cognitive impairment (MCI) who played exergames—video games that double as exercise—experienced improvements when … Read More

How Much Exercise Do I Need? Even Experts Disagree

How much exercise do we need? The U.S. National Library of Medicine is clear about it: at least 30 minutes of aerobic exercise every day—that's 210 minutes a week— and strength-training exercise twice a week.

Aerobic exercise is continuous physical activity using large muscle groups for a sustained period (a minimum of … Read More

What Does Serotonin Do?

It's an important question in trying to understand the chemicals that help define us: "What does serotonin do?" Serotonin is a neurotransmitter—a brain chemical that helps to activate communication between brain cells. Neurotransmitters work by binding to receptors (molecules of protein that receive external signals) on the surface of cells. … Read More

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