The disease-fighting, weight-controlling benefits of physical exercise… Exercise affects the brain’s plasticity—that is, its ability to reorganize itself…

Recent studies have found that exercise activates a number of factors in the brain, including a protein known as brain-derived neurotrophic factor (BDNF)…

Regular exercise can help stave off some effects of normal aging and delay or diminish the gravity of conditions such as Alzheimer’s disease…

Exercise also lessens depression by increasing blood flow to the brain.