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Handwashing What is the best way to wash your hands? At home or work, wash your hands often—and correctly: Use clean, running water. The water can be warm or cold; either works well. Wet your hands before applying soap. Rub your soapy hands together for at least 20 seconds. Wash

Dialysis in Children What is dialysis? Dialysis is a procedure that is done routinely on people who have acute or chronic kidney (renal) failure. It filters waste and extra fluid from the blood. That is something that would normally be done by the kidneys. Dialysis may also be

The Cardiologist A cardiologist is a doctor who has had extra training to treat problems of the heart and blood vessels. A cardiologist has at least 10 years of medical training. It includes: 4 years of medical school. 3 years of training in internal medicine. 3 or more years in

Skin Pigment Disorders What are skin pigment disorders? Skin color is determined by a pigment (melanin) made by specialized cells in the skin (melanocytes). The amount and type of melanin determines a person's skin color. What is the function of melanin? Melanin's role is to

The Menstrual Cycle: An Overview What is ovulation? When a young woman reaches puberty, she starts to ovulate. This is when a mature egg or ovum is released from one of the ovaries. The ovaries are the two female reproductive organs found in the pelvis. If the egg is fertilized

Overview of Kidney Disorders in Children How do the kidneys work? Your child's body takes nutrients from food and converts them into energy. After your child's body has taken the nutrients it needs, waste products are left behind. They are left in the bowel and in the blood. The

Skin Cancer: Prevention The sun sustains life and feels good, but it can be your skin’s worst enemy. While every sunburn can increase your risk of skin cancer, it’s not just those big days at the beach or ballgames that cause trouble. Each time you run out to get the mail, walk

Ear, Nose, and Throat Facts What is the ear? The ear is the organ of hearing and balance. The ear is made up of: External or outer ear. This includes: Pinna or auricle. This is the outside part of the ear. External auditory canal or tube. This is the tube that connects the outer

Anatomy of the Breasts Each breast has 15 to 20 sections, called lobes. They are arranged like the petals of a daisy. Each lobe has many smaller structures called lobules. These end in dozens of tiny bulbs that can make milk. The lobes, lobules, and bulbs are all linked by thin

Anatomy of a Joint Joints are the areas where 2 or more bones meet. Most joints are mobile, allowing the bones to move. Joints consist of the following: Cartilage. This is a type of tissue that covers the surface of a bone at a joint. Cartilage helps reduce the friction of