The Magnificent Lungs (Understanding the lungs and the role they play in your life)

A note by Dr Tom Petty, M.D.

Just about all of us are concerned about our health. Quite appropriately, the heart gets a lot of attention in this area; everyone knows that heart attacks are the number one cause of disability and death in this country. The heart is a remarkable pump that delivers blood to every organ in the body. When healthy, it does its job with a great amount of reserve. The popularity of jogging, walking, and other forms of exercise illustrates our new commitment to health through physical fitness.