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Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

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Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

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Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

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Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Synthesis of the active hormone formed from vitamin D or its precursor in skin. Synthesis of the active hormone formed from vitamin D or its precursor in skin.
sperm cell sperm cell
Hierarchical nature of hormone action in vertebrates Hierarchical nature of hormone action in vertebrates
Production of ATP in Skeletal Muscle Production of ATP in Skeletal Muscle
Mechanisms of hormone action Mechanisms of hormone action
General mechanism of sperm formation in animals General mechanism of sperm formation in animals
Video: Hormonal regulation of pregnancy - weeks 2 through 38

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