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Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

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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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In 1864, the first barbiturate (barbituric acid) was synthesized.

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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Critical thinking and the assessent process Critical thinking and the assessent process
Process flow diagram for Acetic Anhydride Plant Process flow diagram for Acetic Anhydride Plant
Stages of the Infection Process Stages of the Infection Process
The process of filtration in the kidneys, where smaller solutes, such as the electrolytes sodium and ... The process of filtration in the kidneys, where smaller solutes, such as the electrolytes sodium and ...
Aspartate leads via homoserine to threonine, lysine, and methionine Aspartate leads via homoserine to threonine, lysine, and methionine
A land snail (Helix aspersa) with the opening that leads to its lung visible at the left. A land snail (Helix aspersa) with the opening that leads to its lung visible at the left.
Video: Depolarization of the SA node, Action potentials of the myocardium & ANS effects

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