How do most fad diets work? 

The primary symptom of vitamin E deficiency is:

Obesity significantly increases the risk for: 

Which of the following persons should take daily supplements? 

Which of the following is the best natural source of iodine? 

Which compound does glycolysis produce? 

What type of reactions require energy? 

Which vitamin helps the absorption of iron? 

Which mineral is vital to the transport of lipids?

What is the most likely reason that so many of the fad diets introduced to the public are ineffective?