CFD 270 Study Guide - Final Guide: Extraversion And Introversion, Neuroticism, Sildenafil
13 Dec 2016
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Chapter 13: physical & cognitive development in early adulthood. Average lifespan increased 25-30 years over past century: nutrition, medical treatment c) d) Wear-&-tear theory: the body wears out from use is oversimpli cation: dna level. Programmed effects of speci c genes: heritability of longevity (. 15-. 35) Telomeres shorten; chronic illnesses & unhealthy lifestyles: cumulative effects of random events, mutations & cancer. System level: gradual failure of endocrine system, declines in immune system functioning. Few resting changes but reduced performances under stress, exercise. 1: hypertension, atherosclerosis, disease declining due to a better lifestyle. Lungs: maximum vital capacity declines after age 25. Increased percentage abnormal sperm: heterosexual sexual activity in early adulthood, most have intercourse by age 25, most have sex in context of relationship. Sex infrequent: only 1/3 twice a week or more, more often in twenties, declines w/age. C: most are satis ed, over 80% of those in relationships, minority report problems. Prefer idealistic, internally consistent perspective on the world.
