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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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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Cellular changes associated with short-term and long-term memory in the sea slug. Cellular changes associated with short-term and long-term memory in the sea slug.
Larynx, trachea, bronchi, and lungs with an expanded view showing the structures of an alveolus and Larynx, trachea, bronchi, and lungs with an expanded view showing the structures of an alveolus and
Cellular Mechanisms Cellular Mechanisms
Insulin, glucagon, and blood glucose Insulin, glucagon, and blood glucose
A medical office requires teamwork. A medical office requires teamwork.
A variety of organic compounds from food can enter the reactions of aerobic respiration. A variety of organic compounds from food can enter the reactions of aerobic respiration.
Video: Embryonic development - Weeks 5 to 8

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