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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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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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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Evolution of the gibberellin-DELLA system. Evolution of the gibberellin-DELLA system.
Sagittal section of upper respiratory system illustrating the internal anatomy of the nasal cavity, Sagittal section of upper respiratory system illustrating the internal anatomy of the nasal cavity,
Maternal-fetal incompatibility in the Rh system. Maternal-fetal incompatibility in the Rh system.
Disorders and Diseases of the Digestive System Cont Disorders and Diseases of the Digestive System Cont
Functional divisions of the nervous system. Functional divisions of the nervous system.
Four methods of recording electrical activity of the nervous system. Four methods of recording electrical activity of the nervous system.
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