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Lung diseases are disorders or infections that affect the lungs and cause breathing problems. Some can lead to respiratory failure. Find out more about prevention, living with lung diseases, and treatment. READ MORE

Lung cancer forms in tissues of the lung, usually in the cells that line the air passages. It is the leading cause of cancer death in both men and women. READ MORE

Some people have low blood pressure (hypotension). It is only a problem if it causes dizziness, fainting, or shock. Learn about what can cause it. READ MORE

Infection with HIV is serious, but the outlook is improving. Discover the many things you can do to help ensure you have a longer, healthier life. READ MORE

Understand the facts about liver transplantation. Read about risks, outlook and the process for getting a liver transplant. READ MORE

Get the facts about liver diseases, such as hepatitis, cancer, and cirrhosis. Know your risk and what you can do to prevent liver problems. READ MORE

The most common form of liver cancer in adults is hepatocellular carcinoma. Learn about diagnosis, treatment and taking part in research studies. READ MORE

Listeria infections are caused by bacteria found in raw and processed foods. Find a list of symptoms and treatments that can help reduce your risk. READ MORE

Lipids include fats, oils, and cholesterol. Disorders like Gaucher disease and Tay-Sachs cause problems with how your body uses lipids. Read more. READ MORE

Limb loss and amputations have different causes including birth defects, cancer and injuries. Physical therapy and counseling may help with recovery. READ MORE

Lewy body dementia (LBD) is one common cause of dementia. In LBD, protein deposits build up in the brain. Read about the symptoms and what can help. READ MORE

Leukodystrophies are rare diseases that affect the cells of the brain and are often genetic. Find more information on these progressive diseases. READ MORE