New research suggests that surges in a brain protein after exercise may play a particular role in improving memory and recall.

The Y.M.C.A., one of the nation’s largest child-care providers, will offer fruits, vegetables and water for snacks, increase exercise time and limit video games.

The Y.M.C.A., one of the nation’s largest child-care providers, will offer fruits, vegetables and water for snacks, increase exercise time and limit video games.

Pfizer’s aggressive strategy may offer lessons for drug makers facing similar losses of patent protection for other blockbuster drugs over the next few years.

Pfizer’s aggressive strategy may offer lessons for drug makers facing similar losses of patent protection for other blockbuster drugs over the next few years.

A class-action suit filed in Illinois claims the N.C.A.A. has been negligent regarding awareness and treatment of brain injuries to athletes.

A class-action suit filed in Illinois claims the N.C.A.A. has been negligent regarding awareness and treatment of brain injuries to athletes.

This dish bakes for an hour, but the fish is well insulated by chard, flavorful tomato sauce and wine.

This dish bakes for an hour, but the fish is well insulated by chard, flavorful tomato sauce and wine.

Francis Kallon Jr., who will attend Georgia Tech, drew the attention of football recruiters before ever playing a game for his Atlanta area high school.