Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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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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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).
BLOOD CELLS
Formation of blood cells
Iron-deficient red blood cells.
Functions and Properties of Blood
Normal red blood cells (round) and sickled red blood cells
Phenotype proportions in the progeny of a dihybrid cross performed by Mendel