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What is cholesterol? Cholesterol is a waxy, fat-like substance that's found in all the cells in the body. The liver makes cholesterol, and it is also ...
Your hip is the joint where your femur (thigh bone) meets your pelvis (hip bone). There are two main parts: a ball at the end of the femur, which fits in a ...
Having HIV/AIDS weakens your body's immune system. It destroys the white blood cells that fight infection. This puts you at risk for opportunistic infections ( ...
If you are pregnant or planning to get pregnant, it's important to get tested for HIV as soon as possible. If you find out that do have HIV, you can start ...
What are PrEP and PEP? PrEP and PEP are medicines to prevent HIV. Each type is used in a different situation: PrEP stands for pre-exposure prophylaxis. ...
What are the causes of homelessness? Each night, hundreds of thousands of people experience homelessness in the United States. Some of these people experience ...
What is the immune system? Your immune system is a complex network of cells, tissues, and organs. Together they help the body fight infections and other ...
Going home with a new baby is exciting, but it can be scary, too. Newborns have many needs, like frequent feedings and diaper changes. Babies can have health ...
When will my baby take his first step or say her first word? During their first year, babies start to develop skills they will use for the rest of their lives. ...
Food provides the energy and nutrients that babies need to be healthy. For a
baby, breast milk is best. It has all the necessary vitamins and minerals. Infant ...
Most insect bites are harmless, though they sometimes cause discomfort. Bee, wasp, and hornet stings and fire ant bites usually hurt. Mosquito and flea bites ...
Your jaw is a set of bones that holds your teeth. It includes: The maxilla, which is the upper part of your jaw. It holds your top teeth in place and doesn' ...
You have two kidneys. They are fist-sized organs on either side of your backbone above your waist. Your kidneys filter and clean your blood, taking out waste ...
Your knee joint is made up of bone, cartilage, ligaments and fluid. Muscles and tendons help the knee joint move. When any of these structures is hurt or ...
Every racial or ethnic group has specific health concerns. Differences in the health of groups can
result from: Genetics Environmental factors Access to care ...
Your legs are made up of bones, blood vessels, muscles, and other connective tissue. They are important for motion and standing. Playing sports, running, ...
Children aren't just small adults. It is especially important to remember this when giving medicines to children. Giving a child the wrong dose or a medicine ...
What are nausea and vomiting? Nausea is when you feel sick to your stomach, as if you are going to throw up. Vomiting is when you throw up.What causes ...
Any part of your neck - muscles, bones, joints, tendons, ligaments, or nerves - can cause neck problems. Neck pain is very common. Pain may also come from your ...
Your nose is important to your health. It filters the air you breathe, removing dust, germs, and irritants. It warms and moistens the air to keep your lungs ...
