Fad Diets Promises

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Fad DietsPromises Realities

• Isabel Valentin-Oquendo
• Food, Nutrition Health Update 2001

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Center for Nutrition Policy Promotion Report

• About 2 of 10 people want to improve their diet.

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Americans and Dieting

• 4 of 10 women
• 2 of 10 men

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Survey by the Gallup Organization

• Reasons for dieting
• Lose weight (46)
• To obtain general health (16)
• To improve self-esteem (10)

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Dieters have tried

• Doctor-recommended diet
• High-protein/low carbohydrate diet
• The Food Guide Pyramid
• Low fat diet

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• High-protein diets are back!

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• 1972 Dr. AtkinsDiet Revolution
• 1978 The Complete Scarsdale Medical Diet
• 1980 Beverly Hills Diet
• 1995 Enter the Zone

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YPrevalence of dieting ()
YAverage Weight (lbs.)
Source Eating Well, Living Well When You Cant
Diet Anymore, 2000
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Theories used to supporthigh-protein diets

• Insulin resistance
• Syndrome X
• Glycemic index

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Metabolism during dietingand fasting

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Metabolism during dietingand fasting continues
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Hazards of high-protein diets

• Ketosis
• Increase risk for developing atherosclerosis
• Shift from lean body mass to fat
• Increase risk of osteoporosis

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High protein diets compared to current weight
loss diet recommendations.
Note 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.
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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.

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• Protein Power
• by Michael R. Eades, M.D., and
• Mary Dan Eades, M.D.
• Recommend exercising and drinking a lot of water.

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• Dr. Atkins New Diet Revolution
• by Robert C. Atkins, M.D.
• Stresses benefits of exercise.
• Recommends medical check-up.

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• 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.

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What the consumer needs to know

• Its 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.

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• 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.

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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.

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How about maintaining weight loss?
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Final words