With so much information related to food and health in the literature and media, it is often difficult to decipher study results and tell fact from fiction. For example, is sugar consumption associated with the development of cardiovascular disease, diabetes, or weight gain? Not all levels of evidence are in agreement. Meta-analyses of prospective cohort studies offer the highest quality of evidence in nutrition and health, and must be considered when evaluating whether there is valid evidence to support such claims.

Hierarchy of scientific evidence from low quality to high quality evidence


We’ve reviewed the literature, focusing on the highest levels of evidence, on relevant health topics related to sugars consumption:

For further reading on each of these topics, please refer to the Scientific References page.