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What is saliva? Saliva, or spit, is made by your salivary glands. It helps keep you and your mouth healthy. For example: It moistens and breaks down the ...
What is dual diagnosis? If you have a dual diagnosis, that means that you have both a mental disorder and a substance use disorder (SUD), either with alcohol ...
What are eating disorders? Eating disorders are serious mental health disorders. They involve severe problems with your thoughts about food and your eating ...
What is Ebola? Ebola, also known as Ebola virus disease (EVD), is a type of hemorrhagic fever. It is a rare and often deadly disease. It can be caused ...
What is emphysema? Emphysema is a type of COPD (chronic obstructive pulmonary disease). COPD is a group of lung diseases that make it hard to breathe and ...
What is encephalitis? Encephalitis is inflammation (swelling) of the brain. It can happen when an infection or medical condition that affects the brain ...
What is endocarditis? Endocarditis is sometimes called infective endocarditis. It's a rare but life-threatening inflammation of the lining inside your ...
What is endometriosis? The uterus, or womb, is the place where a fetus grows during pregnancy. The uterus is lined with tissue (endometrium). Endometriosis ...
What is the prostate? The prostate is a gland in the male reproductive system. It lies just below the bladder. It makes fluid that is part of semen.What ...
What is eosinophilic esophagitis (EoE)? Eosinophilic esophagitis (EoE) is a chronic disease of the esophagus. Your esophagus is the muscular tube that carries ...
Erectile dysfunction (ED) is a common type of male sexual dysfunction. It is when a man has trouble getting or keeping an erection. ED becomes more common as you ...
Why do I need to evaluate health information? Health information is easy to find. But finding reliable health information takes a little effort. Some ...
Your eyes are an important part of your health. Most people rely on their eyes to see and make sense of the world around them. But some eye diseases can lead ...
What diseases can affect the eye? Even if your eyes feel healthy, you could have a problem and not know it. That's why regular eye exams are so important. ...
What is fatigue? Fatigue is a feeling of weariness, tiredness, or lack of energy. It can interfere with your usual daily activities. Fatigue can be a ...
What is fatty liver disease? Your liver is the largest organ inside your body. It helps your body digest food, store energy, and remove poisons. Fatty ...
Alcohol can harm your baby at any stage during a pregnancy. That includes the earliest stages, before you even know you are pregnant. Drinking during pregnancy ...
A fever is a body temperature that is higher than normal. A normal temperature can vary from person to person, but it is usually around 98.6 °F (37 °C). A ...
Fibromyalgia is chronic (long-lasting) condition that causes pain all over the body, fatigue, and other symptoms. There is no cure, but treatments can help with the ...
What is fifth disease? Fifth disease, also called erythema infectiosum, is a viral infection caused by parvovirus B19. This virus only infects people; ...
