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A pill to make you smarter? New drug grows brain cells

The drug helps more baby brain cells survive and grow to become functioning brain cells.

WASHINGTON, D.C. - Researchers have found a drug that can help the brain grow new cells and said their study may lead to ways to improve experimental Alzheimer's drugs.

The researchers' work, done on rodents, builds on findings that all mammals, including humans, make brain cells throughout their lives. Most of these die, but this drug helps more of the baby cells survive and grow to become functioning brain cells.