Many topics in nutritional science attempt to show the effects of a nutrient on health. These studies share a large confound — when we adjust the quantity of a nutrient in a subjects diet the health effects vary. This variance depends on which nutrient (e.g. unsaturated fat or refined carbohydrate) replaces dietary fat. Nutritional studies of coffee have a unique opportunity in this regard. It can be added with no modifications to subjects diets, as coffee without additives contributes virtually zero energy.
The objectives of this article are to assess the current claims around regular consumption of coffee. Can coffee be considered a beneficial component in one’s diet?
Coffee has a long history of numerous health claims, including: increased or decreased risk of cardiovascular disease; protective effects against Parkinson’s disease, type 2 diabetes, and cancer; effective appetite suppressant for weight management; increased or decreased all-cause mortality.
One of the challenges behind affirming or reject