The key to cardiovascular fitness is getting a good but safe aerobic workout. Heart rate monitors, which monitor your heart rate while you exercise, can help you do that with ease.

A mammogram is an X-ray of the breast. It can find changes in the breast when a lump is too small for you or your doctor to feel.

If your doctor recommends a hearing aid, these suggestions can help you determine which kind will suit you best.

Technology has given us the automated external defibrillator (AED), which is turning up far from hospitals. Some schools and public buildings already have AEDs.

Many people with chronic illnesses depend on elaborate medical devices, such as cardiac pacemakers or blood-glucose monitors for their health and well-being. Countless others help their loved ones, young or old, deal with an oxygen machine, asthma medication inhaler or other device. No matter how sophisticated or simple the piece of medical equipment is, it's crucial to use and maintain it properly.

Buying a thermometer isn't as easy as it used to be. You face an array of choices. But the decision doesn't have to be hard. Like temperature, it's a matter of degrees.

Insulin pumps deliver a steady, measured dose of insulin through a flexible plastic tube called a catheter.