One study found that the cells of highly stressed women looked like those of women at least ten years older. One reason for this increased cell damage may be linked to:
a. the shortening of telomeres.
b. the lengthening of telomeres.
c. an increase in the number of natural killer cells.
d. a decrease in the number of natural killer cells.
A
Psychology
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______ sleep-wake disorder involves a mismatch between the sleep schedule demands of the
person's environment and the person's internal sleep-wake cycle. a. Circadian rhythm c. Narcoleptic b. Obstructive apnea d. Night terrors
Psychology
The Massachusetts Male Aging Study suggests that ______ may reduce the risk of erectile
dysfunction. a. three alcoholic drinks per day c. regular exercise b. 600 mg. daily of calcium d. daily meditation
Psychology