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After any operation, you'll have some side effects. There is usually some pain with surgery. There may also be swelling and soreness around the area that the ...
Air pollution is a mixture of solid particles and gases in the air. Car emissions,
chemicals from factories, dust, pollen and mold spores may be suspended ...
Many Americans drink alcohol at least occasionally. The Dietary Guidelines for Americans say that adults of legal drinking age should either not drink or ...
What is alcohol use disorder (AUD)? For most adults, moderate alcohol use is probably not harmful. However, about 18 million adult Americans have an alcohol ...
What is an alcohol use disorder? An alcohol use disorder (AUD) is drinking that causes distress and harm. It is a medical condition in which you: Drink ...
An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more ...
What is alpha-1 antitrypsin deficiency (AAT deficiency)? Alpha-1 antitrypsin deficiency (AAT deficiency, or AATD) is an inherited condition that raises ...
A caregiver gives care to someone who needs help taking care of themselves. It can be rewarding. It may help to strengthen connections to a loved one. ...
Alzheimer's disease (AD) is the most common form of dementia among older people. Dementia is a brain disorder that seriously affects a person's ability to carry out ...
Amblyopia, or "lazy eye," is the most common cause of visual impairment in children. It happens when an eye fails to work properly with the brain. The eye may look ...
Every racial or ethnic group has specific health concerns. Differences in the health of groups can result from: Genetics Environmental factors Access to care ...
Metabolism is the process your body uses to make energy from the food you eat. Food is made up of proteins, carbohydrates, and fats. Your digestive system breaks ...
Amyloidosis occurs when abnormal proteins called amyloids build up and form deposits. The deposits can collect in organs such as the kidney and heart. This can cause ...
Amyotrophic lateral sclerosis (ALS) is a nervous system disease that attacks nerve cells called neurons in your brain and spinal cord. These neurons transmit messages ...
What are anabolic steroids? Anabolic steroids are synthetic (man-made) versions of testosterone. Testosterone is the main sex hormone in men. It is needed ...
What is anal cancer? Your anus is the opening at the end of your large intestine. It is where stool (poop) leaves your body. The anus is formed partly ...
What is the anus? Your anus is the opening at the end of your large intestine. It is where stool (poop) leaves your body.What are anal disorders? Problems ...
Anaphylaxis is a serious allergic reaction. It can begin very quickly, and symptoms may be life-threatening. The most common causes are reactions to foods (especially ...
Anatomy is the science that studies the structure of the body. On this page, you'll find links to
descriptions and pictures of the human body's parts and organ ...
If you have anemia, your blood does not carry enough oxygen to the rest of your body. The most common cause of anemia is not having enough iron. Your body ...