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Alzheimer's disease is an irreversible, progressive brain disease that slowly destroys memory and thinking skills and, eventually even the ability to carry out the simplest tasks of daily living. In most people with Alzheimer's, symptoms first appear after age 60. Alzheimer's disease is the most common cause of dementia among older people.
The exact cause of Alzheimer's disease is unknown, althou...
Arthritis is a common condition that causes pain and inflammation in a joint.
The two most common types of arthritis are osteoarthritis and rheumatoid arthritis.
An estimated 27 million adults in the United States live with osteoarthritis - the most common type of arthritis. Osteoarthritis, also called degenerative joint disease, is caused b...
Asthma is a common long-term condition that can cause a cough, wheezing, and breathlessness. The severity of the symptoms varies from person to person. Asthma can be controlled well in most people most of the time.
Asthma is caused by inflammation of the airways. These are the small tubes, called bronchi, which carry air in and out of the lungs. If you have asthma, the bronchi w...
The heart is a muscle about the size of your fist. It pumps blood around your body and beats approximately 70 times a minute. After the blood leaves the right side of the heart, it goes to your lungs, where it picks up oxygen. The oxygen-rich blood returns to your heart and is then pumped to the organs of your body through a network of arteries. The blood returns to your heart th...
Cancer is a condition where cells in a specific part of the body grow and reproduce uncontrollably. The cancerous cells can invade and destroy surrounding healthy tissue, including organs.
Cancer sometimes begins in one part of the body before spreading to other areas. This process is known as metastasis. There are over 200 different types of cancer, each with its own methods of diagnosis and tre...
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