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What is angioplasty? Angioplasty is a procedure to improve blood flow in coronary arteries that have become narrow or blocked. Your coronary arteries ...
Your ankle bone and the ends of your two lower leg bones make up the ankle joint. Your ligaments, which connect bones to one another, stabilize and support ...
Ankylosing spondylitis is a type of arthritis of the spine. It causes inflammation between your vertebrae, which are the bones that make up your spine, and in the ...
What are antibiotics? Antibiotics are medicines that treat bacterial infections in humans and animals. They work by killing the bacteria or making it ...
What are antidepressants? Antidepressants are prescription medicines to treat depression. Depression is more than feeling a little sad or "blue" for a ...
What is anxiety? Anxiety is a feeling of fear, dread, and uneasiness. It might cause you to sweat, feel restless and tense, and have a rapid heartbeat. ...
What is aphasia? Aphasia is a language disorder that makes it hard for you to read, write, and say what you mean to say. Sometimes it makes it hard to ...
What is aplastic anemia? Aplastic anemia is a rare but serious blood disorder. If you have it, your bone marrow doesn't make enough new blood cells. It ...
What are arteriovenous malformations (AVMs)? Arteriovenous malformations (AVMs) are defects in your vascular system. Your vascular system is your body's ...
What are assistive devices? Assistive devices are tools, products, or equipment that can help you perform tasks and activities. They may help you move ...
What is asthma? Asthma is a chronic (long-term) lung disease. It affects your airways, the tubes that carry air in and out of your lungs. When you have ...
What is asthma? Asthma is a chronic (long-term) lung disease. It affects your airways, the tubes that carry air in and out of your lungs. When you have ...
What is atherosclerosis? Atherosclerosis is a condition in which plaque builds up inside your arteries. Plaque is a sticky substance made up of cholesterol, ...
What is atrial fibrillation (AFib)? Atrial fibrillation, also known as AFib or AF, is one of the most common types of arrhythmias. Arrhythmias are problems ...
What is attention deficit hyperactivity disorder (ADHD)? ADHD is a neurodevelopmental disorder. It is usually first diagnosed in childhood and often lasts ...
Autism spectrum disorder (ASD) is a neurological and developmental disorder that begins early in childhood and lasts throughout a person's life. It affects how ...
What are autoimmune diseases? Your immune system protects you from disease and infection by attacking germs that get into your body, such as viruses and ...
Have you ever felt dizzy, lightheaded, or as if the room is spinning around you? If the feeling happens often, it could be a sign of a balance problem. Balance ...
We have all heard it many times before -- regular exercise is good for you, and it can help you manage your weight. But if you are like many Americans, you ...
Bereavement is the period of grief and mourning after a death. When you grieve, it's part of the normal process of reacting to a loss. You may experience grief as ...
