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Did you know?
It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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.
Did you know?
Excessive alcohol use costs the country approximately $235 billion every year.
Did you know?
Asthma cases in Americans are about 75% higher today than they were in 1980.
Did you know?
Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.