Chapter 12 Flashcards
senescence
a gradual physical aging over time begins
organ reserve
extra capacity build into each organ (hearts and lungs) that allow a person to cope with extraordinary demands or to withstand organ strain
allostasis
a dynamic body adjustment, related to homeostasis that over time affects overall physiology
infertility
inability to conceive a child after trying for at least a year
in-vitro fertilization (IVF)
ova are surgically removed and fertilized with sperm, after the zygotes have divided several times it is placed back into the women’s uterus
which vision ages faster
peripheral faster than frontal
how does the skin and hair change over aging
- collagen is decreased by 1% every year after 20
- skin becomes less thinner and less flexible
- skin loses fitness and elasticity
at what age does waist circumference increase
25-65
how many cm do ppl lose of height
65
hormone replacement therapy
hormone supplements (estrogen combined with progesterone) to alleviate menopause symptoms
hysterctomy
surgical procedure to remove the uterus and usually removes ovaries
andropause
term to signify a drop in testosterone levels in older men
mortality
death
morbidity
disease
disability
inability to do something that people can usually do
vitality
life force
solutions to the obesity epidemic
- diets work if they reduce calories and increase exercise and need to be maintained for decades
- diet drugs are one option but can lead to CVD and digestive problems or lead to addiction
- gastric bypass surgery causes dramatic weight loss but are risks
- babies born underweight are likely to become fat chILD