MODULE 4.7C MOTIVATION HUNGER MOTIVATION

Glucose

the form of sugar that circulates in the blood and provides the major source of energy for body tissues. When its level is low, we feel hunger.

Ghrelin

 hunger associated hormone secreted by empty stomach

Oxrein

Hunger triggering hormone secreted by hypothalamus

Leptin and PPY

decrease hormone level

Set Point

 the point at which the “weight thermostat” may be set. When the body falls below this weight, increased hunger and a lowered metabolic rate may combine to restore lost weight.

Basal Metabolic Rate

the body's resting rate of energy output

Obesity

defined as a body mass index (BMI) measurement of 30 or higher, which is calculated from our weight-to-height ratio. (Individuals who are overweight have a BMI of 25 or higher.)