This study uses 24-hour dietary recall. Pretty much "What did you eat yesterday." Dietary recall studies are notoriously the least reliable method of measuring

This study uses 24-hour dietary recall. Pretty much "What did you eat yesterday." Dietary recall studies are notoriously the least reliable method of measuring effects of diet on health or mortality. They will pretty much say whatever you want them to and are used mostly as filler for scholastic papers and headlines.