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Chapter Seventeen

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Title: Chapter Seventeen


1
Chapter Seventeen
  • Early Adulthood
  • Biosocial Development

2
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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5
  • 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

8
  • 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

11
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

14
  • 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

15
  • Medical advances
  • in vitro fertilization,
  • donor sperm
  • donor ova
  • donor wombs
  • artificial insemination by donor sperm

16
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

17
  • Social Context encourages drug use and abuse
  • On their own
  • Rock concerts
  • Spectator sports
  • Other group activities

18
  • 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

19
  • 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

20
  • 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
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