Chapter 11-Health, Well-being, and Stress Flashcards
Health psychology –
Area of psychology that integrates research on health and psychology to promote well-being.
Well-being –
A positive state in which we have optimal health and life satisfaction..must exist together
Biopsychosocial model
Views a person’s health and risk for illness as being a combination of:biological, psychological, and social factors…ex…placebo effect
placebo
A drug or type of treatment that has no known physiological effect on the health condition it is being used to treat.
Placebo effect –
Improvement in a health condition following treatment with a placebo.criteria to be effective…
such as it must physically match the pill its mimicking..person must not know they are being treated with placebo,
obesity
Defined as being 20% over your ideal body weight.
…Sometimes its asigmatized because many think that the person can control their eating habits..whcih is not always the case
Widely used measurement of obesity is the body mass index (BMI).
ratio of an individuals height to the individuals weight….but this doesn’t take into account an individuals fitness levels, or body fat levels…there is an increase in extremely obese trend…why? more car used rather than walking or riding bike..also the rise in availability of high fat & sugar foods…..
physiology of obesity
fat cells cant be lost..must be surgically removed…the fat cells can swell as fat storage increases and could then divide which can be undone…
Short-term satiety signals
Hormones released during and after a single meal to signal satiety.
Long-term satiety signals
Come from long-term nutrient storage (fat cells).
..can alter brain sensitity to short term hunger and satiety signals
Leptin
a peptide hormone that is released from well-nourished fat cellslmouse examle.Binds to receptors in the hypothalamus to signal satiety.
leptin resistance
– they do not respond to leptin as a satiety signal as efficiently.
thrifty phenotype-an efficient metaboliskmm bec call left over will be used in a good way..
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spendthrift job
use two much cals and nothing gets stored as fat
Restrained eating
Excessive eating following the belief that an individual has ruined their diet.
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