Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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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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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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