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Results 1 - 9 of 9 for Prevalence
  1. Allergy (National Library of Medicine)  
    An allergy is a reaction by your immune system to something that does not bother most other people. People who have allergies often are sensitive to more ...
  2. Bowel Incontinence (National Library of Medicine)  
    Bowel incontinence is the inability to control your bowels. When you feel the urge to have a bowel movement, you may not be able to hold it until you get to ...
  3. Bowel Movement (National Library of Medicine)  
    A bowel movement is the last stop in the movement of food through your digestive tract. Your stool passes out of your body through the rectum and anus. ...
  4. Cocaine (National Library of Medicine)  
    What is cocaine? Cocaine is a very addictive drug that is made from leaves of the coca plant found in South America. It is mostly available as an illegal ...
  5. Drugs and Young People (National Library of Medicine)  
    What is drug use? Drug use, or misuse, includes: Using illegal substances, such as Anabolic steroids Club drugs Cocaine Heroin Inhalants Marijuana Methamphetamines ...
  6. Hay Fever (National Library of Medicine)  
    Each spring, summer, and fall, trees, weeds, and grasses release tiny pollen grains into the air. Some of the pollen ends up in your nose and throat. This ...
  7. Learning Disabilities (National Library of Medicine)  
    What is a learning disability? Learning disabilities are conditions that affect the ability to learn. They can cause problems with: Understanding what ...
  8. Marijuana (National Library of Medicine)  
    What is marijuana? Marijuana is a green, brown, or gray mix of dried, crumbled parts from the marijuana plant. The plant contains chemicals which act ...
  9. Obesity (National Library of Medicine)  
    Obesity means having too much body fat. It is different from being overweight, which means weighing too much. The weight may come from muscle, bone, fat, and/ ...