OverweightObesity_Lecture

OverweightObesity_Lecture - Energy Balance and Healthy Body...

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Energy Balance and Healthy Body Weight Prof Mutz Fall 2009
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Background terms BMI – Body Mass Index – ratio of height for weight; Indicator of weight status Body Composition – the proportions of muscle, bone, fat, and other tissues that make up a person’s total body weight Wasting – the progressive, relentless loss of body’s tissues; often accompanies certain diseases Overweight – moderate degree of overfatness defined as BMI 25.0 through 29.9 Obesity – overfatness with adverse health effects; Determined by BMI of over 30
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Trends… Obesity is escalating epidemic 66% of all adults in US either overweight or obese 33% of adolescents overweight Dietary Guidelines for Americans 2005 includes mandates to reduce obesity Never before included
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A word on portion sizes Food 1960 portion size 2000 portion size Bagel 2-3 ounces 4-6 ounces Muffin 2-3 ounces 5-7 ounces Coca Cola bottle 6.5 fl oz 20 fl oz Chocolate bar 1 ounce 2 – 8 ounces Potato Chips bag 1 ounce 2-4 ounces McDonald’s hamburger 1.5 ounces 1.5 – 8 ounces Fries 2.4 ounces 2.4 – 7.1 Pasta Entree 1.5 cups 3 cups Beer Can 10 – 12 ounces 12 – 24 ounces
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Fun Fat Facts 1984 -1987 Exact same nestle Toll House cookie recipe scaled down the number of cookies it makes from 100 to 60 Joy of Cooking brownie recipe did the same Average adult weighs nearly 25 lbs more today yet is only an inch taller on average vs 1960 Original Yankee Stadium built in 1920 sat 82,000, after is remodeling, it only sat 49,000 Top selling woman’s clothing size jumped from 8 to 14
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Serve more, eat more! Women ate 31% more and men 59% more when served a 12 inch sub vs 6 inch 159 – 355 more calories When frying chicken, women poured 4.3 ounces of oil from a 32 ounce bottle vs 3.5 ounces from a 16 ounce bottle When asked about how many M&Ms people would eat when watching a movie, they poured about twice as much from a jumbo bag vs a small package Movie goers who said that popcorn tasted stale still ate 61 percent more when served in a larger container.
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Risks of Overweight Increased risk of high blood pressure, heart disease, diabetes Increased risk of death from these conditions 300,000 people each year die from obesity related diseases Excess weight causes up to half of all cases of hypertension, thus increasing risk of heart attack and stroke Obesity triples risk of developing diabetes Increased risk of Abdominal hernias Arthritis Complications in pregnancy Flat feet Gallbladder disease Gout High Cholesterol Kidney Stones Liver disease Respiratory problems
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Overweight / Obesity Types of fat determines risk of death Visceral fat – fat stored within the abdominal cavity in association with related organs Intra-abdominal fat Especially dangerous Central obesity – fat around stomach/ abdomen/trunk Subcutaneous fat – fat stored directly underneath the sken
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This note was uploaded on 10/15/2010 for the course HNSC HNSC25.1 taught by Professor Weintraub during the Spring '08 term at CUNY Brooklyn.

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OverweightObesity_Lecture - Energy Balance and Healthy Body...

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