An excess of cholesterol can build up in the arteries, narrowing them and slowing or blocking blood flow to the heart. Take this quiz to learn more about cholesterol and its role in your health.

Your target heart rate is the range at which sustained physical activity - running, cycling, swimming laps, or any other aerobic exercise - is considered safe and effective.

Recognizing the symptoms of stress in your life is one step toward managing it. This assessment will help you learn your particular stress symptoms.

Spinal stenosis is a condition in which the spinal canal narrows and pinches the nerves, resulting in back and leg pain. Spinal stenosis often occurs in older adults, although younger people who are born with a small spinal canal may also develop symptoms. This video explains the condition and what treatments are recommended.

Plastic surgery is becoming more popular, with the most common procedure now breast augmentation, or enlargement. Contrary to what you may think, women with breast implants aren't immune to breast cancer.