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Eye wear protects or corrects your vision. Examples are: Sunglasses Safety goggles Glasses (also called eyeglasses) Contact lenses If you need corrective ...
Your eyelids help protect your eyes. When you blink, your eyelids spread moisture over your eyes. Blinking also helps move dirt or other particles off the ...
Face injuries and disorders can cause pain and affect how you look. In severe cases, they can affect sight, speech, breathing and your ability to swallow. ...
Fainting is a temporary loss of consciousness. If you're about to faint, you'll feel dizzy, lightheaded, or nauseous. Your field of vision may "white out" or "black ...
Falls can be dangerous at any age. Babies and young children can get hurt falling off furniture or down the stairs. Older children may fall off playground ...
Your family history includes health information about you and your close relatives. Families have many factors in common, including their genes, environment, ...
There are many kinds of families. Some have two parents, while others have a single parent. Sometimes there is no parent and grandparents raise grandchildren. ...
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 ...
Infertility means not being able to get pregnant after at least one year of trying (or 6 months if the woman is over age 35). If a woman keeps having miscarriages, ...
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 normal pregnancy lasts nine months. Each three-month period of pregnancy is called a trimester. During each trimester, the fetus grows and develops. ...
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; ...
Health care can be costly. If you have health insurance, it usually pays at least part of your medical costs. If you don't have insurance or need help with ...
You use your fingers and thumbs to do everything from grasping objects to playing musical instruments to typing. When there is something wrong with them, ...
Preventing fires is an important part of fire safety. In the United States, cooking is the main cause of home fires. Cigarettes are a big risk too - they are the ...
Accidents happen. Someone chokes on an ice cube or gets stung by a bee. It is important to know when to call 911 -- it is for life-threatening emergencies. While ...
A fistula is an abnormal connection between two parts inside of the body. Fistulas may develop between different organs, such as between the esophagus ...