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A stent is a small metal coil or mesh tube that is placed in a narrowed artery through a catheter (a long, thin tube) to help improve blood flow to your heart. The stent permanently holds the passageway open and helps reduce the rate of restenosis, renarrowing of the artery.

Heart failure can happen in two ways. The heart muscle may become weak and enlarged (systolic dysfunction). Or, the heart muscle may become stiff (diastolic dysfunction). Learn more about these two types, their symptoms, and how heart failure impacts your body.

Event monitoring is a painless way to record your heartbeat. The monitor is a small electrocardiogram (ECG) that you carry with you. It records your heartbeat for your doctor to review at a later time.

Dust mites are perhaps the most common cause of nasal allergies. Read on to learn how to keep them under control.

Keep up the healthy habits you started in your first trimester. You might be a little more tired than normal. So plan your day wisely. Look at the tips below and choose the ones that suit your lifestyle.

You can take your own blood pressure reading using a digital monitor. Follow these step-by-step directions.

Your doctor may advise external radiation therapy for non-Hodgkin lymphoma. Learn how this treatment is done, how to prepare for it, and what the possible side effects may be.

Immune thrombocytopenic purpura (ITP) is a blood disorder. With this disease, you have a lower amount of platelets than normal in your blood. Read on to learn more.

Many surgeons order routine lab tests before surgery. These tests help find possible problems that might complicate surgery if not found and treated early.