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As a teenager, you go through many physical, mental, emotional, and social changes. The biggest change is puberty, the ... girls and ages 12 and 16 for boys. As your body changes, you may have questions about ...
The thymus is a small organ in your upper chest, under your breastbone. Before birth and during childhood, the thymus helps the body make a type of white blood cell. These cells help ...
What are triglycerides? Triglycerides are a type of fat. They are the most common type of fat in your body. They come from foods, especially butter, oils, ...
A urinalysis is a test of your urine. It is often done to check for a urinary tract infection, kidney problems, or diabetes. You ...
A vegetarian diet focuses on plants for food. These include fruits, vegetables, dried
beans and peas, grains, ... need. However, they
must be careful to eat a wide variety of foods to meet their nutritional ...
... than civilians. Serving to protect our country is a special job, and along with it comes some ... enough to cause disability. Others may not be as serious, but they may be painful and can ...
... are fires that burn out of control in a natural area, like a forest, grassland, or prairie. They often begin unnoticed. ... if you live in an area threatened by a wildfire, you can take actions to protect yourself. ...
Wilson disease is a rare inherited disorder that prevents your body from getting rid of extra copper. You need a small amount of copper from food to stay ... Normally, your liver releases extra copper into bile, a digestive fluid. With Wilson disease, the copper builds ...
... injury is damage to your body. It is a general term that refers to harm caused by ... at work or play, indoors or outdoors, driving a car, or walking across the street. Wounds are ...
Zika is a virus that is spread mostly by mosquitoes. A pregnant mother can pass it to her baby during pregnancy ... five people do get symptoms, which can include a fever, rash, joint pain, and conjunctivitis (pink eye). ...
... life care ahead of time. They give you a way to tell your wishes to family, friends, ... care professionals and to avoid confusion later on. A living will tells which treatments you want if ...
Aspergillosis is a disease caused by a fungus (or mold) called Aspergillus. The fungus is very common in both indoors and outdoors. Most people breathe in the spores of ...
Ataxia-telangiectasia (A-T) is a rare, inherited disease. It affects the nervous system, immune system, and other body systems. Symptoms appear in young children, usually before ...
Your liver makes a digestive juice called bile. Your gallbladder stores it between meals. When you eat, your gallbladder pushes the bile into ... diseases can block the bile ducts and cause a problem with the flow of bile: Gallstones, which ...
... abnormalities of the skin that are present when a baby is born. There are two types of ... port-wine stains. Pigmented birthmarks are made of a cluster of pigment cells which cause color in ...
A brain tumor is a growth of abnormal cells in the tissues of the brain. Brain tumors can be benign, with no cancer cells, or ... behavior Seizures Doctors diagnose brain tumors by doing a neurologic exam and tests including an MRI, CT ...
A bruise is a mark on your skin caused by blood trapped under the surface. It happens when an injury crushes small blood ... the most serious. It can take months for a bruise to fade, but most last about two ...
... cavities. For babies, you should clean teeth with a soft, clean cloth or baby's toothbrush. Avoid putting the baby to bed with a bottle and check teeth regularly for spots or ...
As children grow older, they develop in several different ways. Child development includes physical, intellectual, social, and ... problems in children. These problems can get worse as time goes on, so it is important to ...
... is one form of child abuse. It includes a wide range of actions between a child and an adult or older child. Often ... pressuring them for sex is sexual abuse. Using a child for pornography is also sexual abuse. Most ...