There's a lot of news about cholesterol these days, and with good reason. High cholesterol contributes to heart disease, which kills more Americans than all cancers combined. A regular exercise routine and good eating habits — along with medication if your doctor recommends it — can keep cholesterol levels under control and lower your risk of heart disease.

Chronic obstructive pulmonary disease (COPD) is a name given to a group of diseases that limit the flow of air in and out of your lungs. COPD includes chronic bronchitis and emphysema. Long-time cigarette smoking is the most common cause of COPD.

Enjoy good health at every age: know your body and how it works, eat well and stay active, and follow a plan for disease prevention.