PSYA02H3 Chapter Notes - Chapter 16: Lymph Node, B Cell, Anxiety Disorder
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PSYA02H3 Full Course Notes
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Cultural evolution: the adaptive change of a culture to recurrent environmental pressures. Driven mainly by psychological forces and is a product of human intellect and physical capacity. Diets too high in saturated fat linked to coronary heart disease (chd): the narrowing of blood vessels that supply nutrients to the heart. And cancer: a malignant, uncontrolled growth of cells that destroys surrounding tissue. 36% of annual deaths in canada attributed to chd, 29% is cancer. The chief culprit in chd is serum cholesterol: a fat-like chemical found in the blood. One form (ldl) promotes the formation of atherosclerotic plaques which clog arteries. Cholesterol is the source of lipid membranes of cells and steroid hormones and thus is a vital substance. Cholesterol has two kinds hdl (high-density lipoprotein) and ldl (low-density lipoprotein) Cohen strong correlation between mortality rates of breast cancer and fat consumption.
