FRHD 1100 Chapter Notes - Chapter 6: Body Mass Index, Fad Diet, Veganism

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Chapter 6
the Global Obesity Epidemic
since 1980 obesity rates have more than doubled around the world
1.5 billion adults aged 20+ are obese
65% of words population live in countries where more people die of complications from being
overweight and obese than they do from being underweight
more men than women are obese in the 35-44 age group
What Causes Obesity
more calories
bigger portions
fast food
hunger and satiety
physical inactivity
passive entertainment
prenatal factors
developmental factors
emotional influence
social networks
social determinants
What Should I Weigh
Body Mass Index (BMI)
ratio between weight and heigh
weight (kg)/height (m squared)
underweight is a BMI of 18.5 or under
overweight is 25 to 29.9
obese is 30+
Waist Circumference
apple shaped bodies (carry weight around waist) are more likely than pear shaped bodies
(carry weight around his and thighs) to have high cholesterol and blood pressure, and in
increased risk of diabetes
Assessing Body Fat
essential fat makes up about 3%-7% of body fat in men and 10%-15% in women - helps with
physiological function such as nerve conduction
is stored in small amounts in organs and muscles
storage fat helps keep us warm by insulting bodies
How Do I Avoid Diet Traps
the yoyo diet
very low calories diet
fad diets
diet pills
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