is a recent phenomenon that is associated with the smaller plate sizes that are used today compared to in the past

emerged in our prehistoric ancestors as an adaptive response to periods when food was scarce

is a way for the body to maintain homeostasis

is a symptom of neophobia

late sexual maturation

the age of an individual’s first erotic experience

atypical prenatal hormones

early problems in relationships with parents

lower blood sugar and trigger hunger

raise blood sugar and trigger hunger

lower blood sugar and trigger satiety

raise blood sugar and trigger satiety

the most basic motives are based on physiological needs

needs are satisfied in a specific order

the highest motives relate to self-actualization and self-transcendence

all of the above

is more common in children than in adults

protected our ancestors from potentially toxic substances

may be an early warning sign of obesity

only grows stronger with repeated exposure to

their bone structure

amygdala activity

their settling points and their metabolic rates

their differing exposure to carbohydrate-laden foods

Randy feels that he deserves to pamper himself with sweets because of the stress he is under

the extra ghrelin being produced gives Randy the energy he needs to cope with the demands of his daily life

carbohydrates boost levels of serotonin, which has a calming effect

the extra sugar tends to lower blood insulin level, which promotes relaxation

sexual orientation is neither willfully chosen nor willfully changed

some homosexuals struggle with their sexual orientation

men’s sexual orientation is more fluid and changeable than women’s

women, regardless of sexual orientation, respond to both female and male erotic stimuli more so than men

good health

challenging work

satisfying relationships

serving others

reduced testosterone and reduced sexual interest

reduced testosterone, but no change in sexual interest

reduced estradiol and reduced sexual interest

reduced estradiol, but no change in sexual interest

the body weights of adoptees correlate with that of their biological parents

the body weights of adoptees correlate with that of their adoptive parents

identical twins usually have very different body weights

the body weights of identical twin women are more similar than those of identical twin men

fat tissue has a lower metabolic rate than lean tissue

once a person has lost weight, it takes fewer calories to maintain his or her current weight

the tendency toward obesity may be genetically based

obese people tend to lack willpower and lack ability to engage in self-control

“Cooperation amongst our ancestors was uncommon”

“social bonding is not in our nature; it is a learned human trait”

“because bonding with others increased our ancestors’ success at reproduction and survival, it became part of our biological nature

“our male ancestors were more likely to bond than were our female ancestors”