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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 ...
What are esophagus disorders? Esophagus disorders are problems with how your esophagus works. The esophagus is the tube that carries food from your mouth ...
Why do I need to evaluate health information? Health information is easy to find. But finding reliable health information takes a little effort. Some ...
What are the basics of exercise and physical fitness? Exercise is anything that gets your body moving. Regular exercise is one of the best things you ...
Why does eye care matter? Eye care is about keeping your eyes healthy through good daily habits, regular checkups, and treatment when needed. Your eyes ...
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 are eyelid disorders? Eyelid disorders include a variety of conditions that affect your eyelids. Your eyelids protect your eyes and help keep them ...
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 ...
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; ...
What is first aid? Accidents happen. Someone starts to choke, gets stung by a bee, sprains an ankle, or gets a minor burn or cut while cooking. First ...
Floods are common in the United States. Weather such as heavy rain, thunderstorms, hurricanes, or tsunamis can cause flooding. Flooding can also happen when ...
What is the flu? The flu, also called influenza, is a respiratory infection caused by viruses. Each year, millions of Americans get sick with the flu. ...
What is the flu? The flu (influenza) is a respiratory infection. It is caused by influenza viruses that infect your nose, throat, and lungs. These viruses ...
What is a food allergy? A food allergy is an abnormal immune system reaction to certain foods. Your immune system normally protects you from germs. But ...