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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; ...
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 ...
All packaged foods and beverages in the United States have food labels. These "Nutrition Facts" labels can help you make smarter food choices and eat a healthy ...
What is a fracture? A fracture is a break in a bone. Fractures are usually caused by injuries. Since they can sometimes be serious, it's important to ...
What is gastroenteritis? Gastroenteritis is an inflammation of the lining of the stomach and intestines. The main symptoms include vomiting and diarrhea. ...
What are genes? Genes are sections of DNA in your cells that are passed down (inherited) from your parents. You inherit two copies of each gene, one from ...
A genetic brain disorder is caused by a variation or a mutation in a gene. A variation is a different form of a gene. A mutation is a change in a gene. ...
Genetic counseling provides information and support to people who have, or may be at risk for, genetic disorders. A genetic counselor meets with you to discuss ...
What are genetic disorders? Genetic disorders are health conditions caused by changes (also called mutations or variants) in your genes. Genes are parts ...
What is genetic testing? Genetic testing is a type of medical test that looks for changes, sometimes called variants or mutations, in your DNA. DNA contains ...
What are germs? Germs are microorganisms. This means that they can be seen only through a microscope. They can be found everywhere - in the air, soil, and ...
What is glaucoma? Glaucoma is a group of diseases that can damage the optic nerve of one, or both, of your eyes. This can result in vision loss. There ...
Gluten is a protein found in wheat, rye, and barley. It is found mainly in foods. But it may also be in other products like medicines, vitamins, and supplements. ...
What is gout? Gout is a common type of inflammatory arthritis. It causes pain, swelling, and redness in one or more joints. It usually happens as a flare, ...
