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.
Did you know?
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Did you know?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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People about to have surgery must tell their health care providers about all supplements they take.
Did you know?
Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
Water's Covalent Bonds Are Polar
Surface Water Parsing
A good disinfecting solution you can make yourself consists of 1 part bleach to 10 parts water.
The chemical structure of the water molecule facilitates life