The horizontal fraction bar was introduced by the Arabs.
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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.
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Thyroid conditions may make getting pregnant impossible.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.
Pairs of heavy and light chains combine to form a Y-shaped molecule
Mitosis in humans
Other Medelian Traits in Humans
Selected Drugs Suspected of Causing Cancer in Humans
Stages of mitosis. Only two pairs of chromosomes from a diploid (2n)