There are a lot of "fad" diets circulating. Select a "fad" diet and explain how the digestive system has to adapt to the new diet and what happens when/if the person goes back to eating their "normal" way.
Answer: Fad diets tend to appeal more to people's vanity than to their desire to stay healthy. The focus is on inches and pounds, not reducing the risk of diabetes or heart disease.
if the go back to their normal eating habits they will just gain the weight back.
