How does the hypothesis help inform the design of an experiment? Why might a school hire a nutritionist? Why do you think that dieting increases the likelihood of eating disorders in teenage girls? If a diet has inconsistent results, as in the case of the paleo diet, how would that influence your decision to try it? What factors would you look for when choosing a healthy diet? Why do you think tracking the foods you eat or exercises you do is an important way to stay healthy?