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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.
Did you know?
The longest a person has survived after a heart transplant is 24 years.
Did you know?
Everyone has one nostril that is larger than the other.
Did you know?
There are more sensory neurons in the tongue than in any other part of the body.
Did you know?
Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.