A delay or blockage in the heart's signaling pathways can interrupt the heartbeat and make it harder for the heart to pump blood.
Disease
Myocardial ischemia
Myocardial ischemia reduces blood flow to the heart and may cause chest pain — but not always. Learn all the signs and symptoms and how to treat it.
Disease
Familial Mediterranean fever
This genetic autoinflammatory disorder causes recurrent fevers and painful inflammation. Treatment can prevent attacks and complications.
Disease
Farsightedness
Do you see distant objects clearly, but develop a blur as they come close? This vision condition, called farsightedness, is easily corrected with prescription lenses.
Disease
Nearsightedness
Tired of squinting at objects in the distance? There are effective treatment options for this eye condition, and some preventive options are emerging.
Disease
Secondary hypertension
Learn more about high blood pressure that's caused by another medical condition. Find out about risk factors and treatments to help you stay healthy.
Disease
Diabetic nephropathy (kidney disease)
Managing diabetes can prevent or delay this common diabetes complication that affects the kidneys.
Disease
Strep throat
Learn more about the symptoms, causes and treatment of this throat bacterial infection in children and adults.
Disease
Chickenpox
Learn more about preventing this once-common childhood illness. Also, find out how to recognize and manage it.
Disease
Lichen planus
Learn about the causes, symptoms and treatment of this condition that causes swelling and irritation in the skin, hair, nails, mouth and vagina.
Disease
Boils and carbuncles
Learn about symptoms, causes, treatment and prevention of these painful pus-filled infections that cause bumps under your skin or leaking sores.
Disease
Dry skin
Learn more about the causes of and self-care tips for a common flaky skin condition that tends to be temporary or seasonal but may become a lifelong problem.