ALS stands for Amyotrophic Lateral Sclerosis, also called Lou Gehrig's disease. ALS affects the nervous system, causing muscle problems. Find out how. READ MORE
Learn about amblyopia, or "lazy eye," the most common cause of visual problems in children. It happens when an eye fails to work properly with the brain. READ MORE
Alzheimer's disease is a brain disorder that slowly destroys memory and thinking skills. It's the most common cause of dementia among older adults. READ MORE
Caring for someone who has Alzheimer's Disease can be stressful and overwhelming. It's important to take care of yourself. Learn how to find support. READ MORE
Alpha-1 Antitrypsin Deficiency is an inherited condition that raises your risk for lung and liver disease. Learn about the symptoms and treatment. READ MORE
An allergy is a reaction by your immune system. Substances that cause reactions include pollen and food. Find the full list of allergies and symptoms. READ MORE
An alcohol use disorder (AUD) is drinking that causes distress and harm. AUD can range from mild to severe (alcoholism). Learn the signs that you may have a problem with drinking. READ MORE
Many people drink alcohol. Drinking too much can take a serious toll on your health. It's important to know how alcohol affects you and how much is too much. READ MORE