Take a look at the Dietitians of Canada info about specialty and fad diets. You'll also find info about The Canada Food Guide, menu/meal planning, and a host of other nutrition-related topics.

The Mayo Clinic is an American non-profit system of hospitals and researchers. They host a vast, detailed website for "consumers" (that's you!) about medical and healthy living topics with the aim of providing trustworthy information. ALL of the topics on your assignment list can be found on their site. Just use the search box at the top of their page to get started.

Diet and food trends info from Canada's Food Guide, created by Health Canada.