Also called: Legionellosis
Legionnaires’ disease is a type of pneumonia caused by bacteria. You usually get it by breathing in mist from water that contains the bacteria. The mist may come from hot tubs, showers or air-conditioning units for large buildings. The bacteria don’t spread from person to person.
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Also called: Plumbism
Lead is a metal that occurs naturally in the earth’s crust. People have spread it through the environment in many ways. Lead used to be in paint and gasoline. Lead can still be found in contaminated soil, household dust, drinking water, lead-glazed pottery and some metal jewelry.
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Food allergy is an abnormal response to a food triggered by your body’s immune system. Allergic reactions to food can sometimes cause serious illness and death. Tree nuts and peanuts are the leading causes of deadly allergic reactions called anaphylaxis.
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Also called: Varicella
Chickenpox is an infectious disease caused by the varicella virus. Most cases occur in children under age 15 but older children and adults can get it. It spreads very easily from one child to another.
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Your wrist is made up of eight small bones known as carpals. They support a tube that runs through your wrist. That tube, called the carpal tunnel, has tendons and a nerve inside. It is covered by a ligament, which holds it in place.
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The prostate is the gland below a man’s bladder that produces fluid for semen. Prostate cancer is the third most common cause of death from cancer in men of all ages. It is rare in men younger than 40.
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Terrorism refers to the use or threat of force or violence against people or property. A bioterrorist attack releases viruses, bacteria, or other germs to cause illness or death. These biological agents are typically found in nature. But they can sometimes be made more harmful by increasing their ability to cause or spread disease, or to resist medical treatment.
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Also called: Diabetic nephropathy
If you have diabetes, your blood sugar levels are too high. Over time, this can damage your kidneys. Your kidneys are filters that clean your blood. If they are damaged, waste and fluids build up in your blood instead of leaving your body.
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Also called: Keratectomy, LASIK, LTK, PRK
For many people, laser eye surgery can correct their vision so they no longer need glasses or contact lenses. Laser eye surgery reshapes the cornea, the clear front part of the eye. This changes its focusing power.
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Also called: Hypersensitivity
An allergy is a reaction of your immune system to something that does not bother most other people. People who have allergies often are sensitive to more than one thing. Substances that often cause reactions are
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