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19 terms

Diet and Health: Obesity

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BMI
Weight/Hight^2
Underweight
<18.5 BMI
Normal weight
18.5-24.9 BMI
Overweight
25.0-29.9 BMI
Obese Class I
30.0-34.9 BMI
Obese Class II
35.0-39.9 BMI
Obese Class III
≥40.0 BMI
Obesity
Caused by long term positive energy balance, genetic, hormonal, emotional factors; others in our control are overeating and inactivity.
leptin
Obeisty protien; protien that acts as a hormone to ∧ energy expenditure and ∨ appetite, produced by fat cells under ob gene, MAYBE deficient in obese people.
ghrelin
protein that acts as a hormone to ∨ energy expenditure and ∧ appetite, produced by stomach cells
Uncoupled Proteins
influence metabolism, may appose development of obesity.
White adipose Tissues
stores fat for use of energy
Brown Adipose Tissue
stores fat for use of heat
Enviromental factors of Obesity
Overeating--fast food, Physical Inactivity--more tech;
The built Inviroment
urban and suburban communities limit excerise, stores are not near homes, need cars for everything.
Obesogenic Enviroment
Increased caloric Intake, Reduced physical activity, risk factors differe among individuals.
Factors of Obesity
genetic make up, overweight, health status, age.
Evaluation of Risks
waist circumfrence, BMI, and Disease Profile. Risks include: Hypertension, Smoking, high LDL & low HDL, imparired glucose tolerance, history of heart disease, men ≥ 45 and women ≥ 55.
Obesity associated Risks (HIGH)
Sleep Apnea, Gallbladder disease, Hypertension, Dyslipidemia, Hypertension, Insulin Resistence, Diabetes Mellitus