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Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

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Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

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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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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

The formation of a chimeric gene that is found in people with certain forms of leukemia. The formation of a chimeric gene that is found in people with certain forms of leukemia.
DNA molecules replicate to form identical chromatids DNA molecules replicate to form identical chromatids
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How to graph quadratic equations that are in vertex form How to graph quadratic equations that are in vertex form
Many different types of labels may be found on packages containing hazardous materials. Clockwise ... Many different types of labels may be found on packages containing hazardous materials. Clockwise ...
Vitamin C contributes to healthy, glowing skin by facilitating the production of collagen Vitamin C contributes to healthy, glowing skin by facilitating the production of collagen
Video: Male Reproductive System - The gonadotropin releasing hormone

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