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Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

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Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Patient with rheumatoid arthritis Patient with rheumatoid arthritis
Coolant flow through the impeller and scroll of a coolant pump for a V-type engine. Coolant flow through the impeller and scroll of a coolant pump for a V-type engine.
The operation of a rotor-type oil pump. The operation of a rotor-type oil pump.
Basalt is the most common type of stone used in hot stone therapy. Basalt is the most common type of stone used in hot stone therapy.
Water consumption by type of use Water consumption by type of use
Cordilleran-Type Mountain Building Cordilleran-Type Mountain Building
Video: Physiology of Asthma

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