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Senescence
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The process of aging, whereby the body becomes less strong and efficient.
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Infertility
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The inability to produce a baby after at least a year of trying to conceive via sexual intercourse.
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In vitro fertilization
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Fertilization that takes place outside a woman’s body (as in a glass laboratory dish). Sperm are mixed with ova that have been surgically removed from the woman’s ovary. If the combination produces a zygote, it is inserted into the woman’s uterus, where it may implant and develop into a baby.
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Impact on the senses
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hearing decreases, vision decreases, slower reaction time, and slower processing time.
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Presbycusis
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The loss of hearing associated with senescence. Presbycusis often does not become apparent until after age 60.
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Menopause
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The time in middle age, usually around age 50, when a woman’s menstrual periods cease completely and the pro- duction of estrogen, progesterone, and testos- terone drops considerably. Strictly speaking, menopause is dated one year after a woman’s last menstrual period.
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Hormone replacement therapy
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Treatment to compensate for hormone reduction at menopause or following surgical removal of the ovaries. Such treatment, which usually involves estrogen and progesterone, minimizes meno- pausal symptoms and diminishes the risk of osteoporosis in later adulthood.
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Male menopause
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andropause (ANN-dro-pozz) A term coined to signify a drop in testosterone levels in older men, which normally results in reduced sexual desire, erections, and muscle mass. Also known as male menopause.
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Mortality
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Death. As a measure of health, mortality usually refers to the number of deaths each year per 1,000 members of a given population.
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Morbidity
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Disease. As a measure of health, morbidity refers to the rate of diseases of all kinds in a given population—physical and emotional, acute (sudden) and chronic (ongoing).
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Vitality
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A measure of health that refers to how healthy and energetic—physically, intellectually, and socially—an individual actually feels.
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Disability
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Long-term difficulty in performing normal activities of daily life because of some physical, mental, or emotional condition.
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Effects of tobacco
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much higher rate of all kinds of cancer, shorter life expectancy
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Effects of alcohol
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destroys brain cells, contributes to osteoporosis, decreases fertility, and accompanies many suicides, homicides, and accidents. causes as many premature deaths as tobacco.
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Effects of exercise
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Healthier overall existence, sharper mind, less brain problems in the later years.
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