Explanations for the success and failure of dieting

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1. Mann did a meta-analysis of 14 studies that followed pps over 4 years after a diet, what did he find?

  • That some kept off the weight and some didn't
  • That the pps had kept off all the weight because of the change in mindset
  • On the long term, pps had gained all back but 3kg of their original weight before the diet
  • After a while, the weight gradually came back to the original weight
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2. Why does moderate rather than low fat content have a better success rate?

  • Because it's more natural
  • Because low fat is more chemical therefore creates weight else where in the body
  • Because it's not as big a change for the body
  • It's better for you

3. What role do hormones, particularly ghrelin, play in the failure of dieting?

  • When you are hormonal, you will want to eat more regardless of dieting restrictions
  • They are just there bloody deal with it
  • Stimulates appetite, making hungry people feel hungrier
  • Makes you think you are hungry when you have just eaten

4. What is the theory that suggests that our body has a particular range (about 10%) if weight it is comfortable in and therefore make it harder to lose and keep off a certain weight?

  • Set point theory
  • High metabolism theory
  • Biological theory
  • Dual model centre of feeding

5. What percentage of Americans did Bartlett report that can be classed as overweight or obese?

  • 85%
  • 40%
  • 65%
  • 35%
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