Q. I watched a TV program the other day and heard that exercise is critical for the brain. I thought exercise was primarily for the body?

A. Exercise is critically important for both the brain and body. Here are two examples:

• The most important value of exercise is to stimulate and cleanse the bodymind. —Candace Pert PhD
• Almost any physical exercise can improve the brain’s performance but some are better than others. —Richard Restak PhD