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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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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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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.

Several species of squirrels have melanistic phases. In large parts of United States and Canada, the Several species of squirrels have melanistic phases. In large parts of United States and Canada, the
Varicella or chickenpox, a viral skin infection. In this photograph, the rash is beginning to form s Varicella or chickenpox, a viral skin infection. In this photograph, the rash is beginning to form s
Hydrogen Molecule Hydrogen Molecule
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
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Video: Depolarization of the SA node, Action potentials of the myocardium & ANS effects

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