Chapter Seventeen

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Chapter Seventeen

• Early Adulthood
• Biosocial Development

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Growth, Strength and Health

• Signs of Senescence
• ? occurs when growth stops
• physical decline related to age
• varies markedly from person to person, organ to
  organ
• First visible changes are in skin ? looses
  elasticity
• Graying hair and male pattern baldness ? begins
  around 30
• Variability in sense organs appears

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• Men typically stronger than women
• For both sexes, physical strength increases until
  30, then declines
• All body systems are at optimum levels
• Death from disease is rare
• Violent death more likely

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• Homeostasis
• ? body attempts to reach balance
• Aging makes it more difficult to recover from
  physical stress
• What a 20 year old can do is more difficult for a
  35 year old

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• Reserve Capacity
• ? bodies that are maintained adequately can have
  greater capacity to respond to stressful events
  or conditions
• If not, our organ reserve capacity declines
• Serious reductions are not normally reached until
  late adulthood

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• Sports stars and the rest of us
• More likely at this age than any other
• Performance curve- with variations
• super stars more likely to peak later
• Impact of aging depends on lifestyle

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Sexual Reproductive Systems

• 20s and 30s most likely time for adult to enter
  into a long term sexual relationship and have
  children
• Sex and Contraception
• sexual responsiveness
• sexual preferences
• sexual orientation
• sexual protection

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Fertility

• Peak fertility for women is before age 30 for
  men before age 40
• 15 of all couples experience infertility
• Male infertility
• is cause in 25 of cases of infertility ?
  related to sperm/sperm count

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• Female Infertility
• Women may have a myriad of reasons
• Pelvic inflammatory disease may block fallopian
  tybes
• Endometriosis
• Infections, fibroid tumors
• uterine health affected by other health factors

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• Medical advances
• in vitro fertilization,
• donor sperm
• donor ova
• donor wombs
• artificial insemination by donor sperm

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Three Health Problems

• Drug Abuse and Addiction
• Physiological or Psychological drive to ingest
  more of a drug
• Young adults more likely to be addicts (19-23)
• College students particularly vulnerable
• More alcohol related

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• Social Context encourages drug use and abuse
• On their own
• Rock concerts
• Spectator sports
• Other group activities

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• Dieting as a Disease
• Set point a particularly body weight that an
  individuals homeostatic process strives to
  maintain
• Anorexia nervosa restricts eating to the point
  of emaciation and possible starvation
• Bulimia nervosa repeated episodic binge eating
  followed by purging

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• Five Theories of Development offer explanation
• Psychoanalytic conflict with mothers, cannot
  separate
• Learning people with low self-esteem have
  reinforcing affect of bingeing and purging
• Cognitive women competing in business against
  men want to look perfect
• Sociocultural cultural pressure to be slender
• Epigenetic girls that are overwhelmed with
  development find that anorexia ceases growth and
  lessens presence of sexual hormones

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• Violence
• Accident, Homicide, Suicide
• How much is a result of male gender
  socialization?
• Many experts believe that social values are at
  the root
• MADD and how that has changed things