Fad Diets Promises & Realities Isabel Valentin-Oquendo Food, Nutrition & Health Update 2001.
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Transcript of Fad Diets Promises & Realities Isabel Valentin-Oquendo Food, Nutrition & Health Update 2001.
Fad DietsPromises & Realities
Isabel Valentin-OquendoFood, Nutrition & Health
Update 2001
Dr. Bob Arnot’sRevolutionary WeightControl Program
TheCabbageSoup Diet
Dr. Atkin’sNew DietRevolution
SugarBusters!
Enter the ZoneProtein Power
TheAnti-AgingZone
Center for Nutrition Policy & Promotion Report
About 2 of 10 people want to improve their diet.
Americans and Dieting
4 of 10 women 2 of 10 men
Survey by the Gallup Organization
Reasons for dietingLose weight (46%)To obtain general health (16%)To improve self-esteem (10%)
Dieters have tried:
Doctor-recommended diet
High-protein/low carbohydrate
diet
The Food Guide Pyramid
Low fat diet
High-protein diets are
back!
1972 ~Dr. Atkins’Diet Revolution
1978 ~The Complete Scarsdale Medical Diet
1980 ~Beverly Hills Diet
1995 ~Enter the Zone
0
5
10
15
20
25
30
35
40
1960s 1990s
Women Men
020406080
100120140160180
1960s 1990s
Women Men
Y=Prevalence of dieting (%) Y=Average Weight (lbs.)
Source: Eating Well, Living Well: When You Can’t Diet Anymore, 2000
Theories used to “support”high-protein diets
Insulin resistance
Syndrome X
Glycemic index
Metabolism during dietingand fasting
Metabolism during dietingand fasting continues
Hazards of high-protein diets
KetosisIncrease risk for developing atherosclerosis Shift from lean body mass to fatIncrease risk of osteoporosis
High protein diets compared to current weight loss diet recommendations.
Diet % Carbohydrate % Protein
% Fat Calories
Current Diet Recommended for Weight Loss (4-8)
55 or more 15 30 or less
500-1,000 below usual
intake per day
Enter The Zone (5)
40 30 30 1,300 for women
1,700 for men
Sugar Busters (6)
39 33 28 800-1,200
Dr. Atkins’New Diet Revolution (7)
10 30 60 1,500
Protein Power (8)
15 30 55 1,400Note: Figures were obtained by the respective diet book or by analyzing a sample daily menu. When protein portions were not listed, a 6-oz. serving was assumed. When fruit or vegetable portions were not listed, a ½ cup serving was assumed.
The Good within some of the high-protein/low carbohydrate plans:
Enter The Zone by Barry Sears, Ph.D.
• Drink water, exercise, and snack.
• Some fat is necessary.
Protein Power by Michael R. Eades, M.D., and Mary Dan Eades, M.D.
Recommend exercising and drinking a lot of water.
Dr. Atkins New Diet Revolution by Robert C. Atkins, M.D.
Stresses benefits of exercise.
Recommends medical check-up.
Sugar Busters! by H.L. Steward; M.C. Bethea, M.D.;
S.S. Andrews, M.D.; and L.A. Balart, M.D.
Allows whole grains and some vegetables.
What the consumer needs to know:
It’s the low calorie, not the high protein, that causes the weight loss.
Rapid weight loss experienced is WATER weight.
Meaningful weight loss should be slow and gradual.
Long term use of these diets could lead to health problems.
The results of these diets are temporary.
Need a maintenance plan.
Negative effects of yo-yo dieting.
High-protein diets are not recommended by professional and medical associations.
How to recognize a Fad Diet
Magic or miracle foods that burn fat.Bizarre quantities of only one food or type of food.Rigid menus.Specific food combinations.Rapid weight loss of more than 2 pounds a week.No warning for people with diabetes or high blood pressure.
How about maintaining weight loss?
Final words
