The word diet originates from the Greek dieta meaning to live normally. However, nowadays it mostly refers to restricting food to help weight loss rather than a way to enjoy food and health.
Throughout history diets have come and gone. Celebrity diets are popular and often bizarre, but are not a new thing. The Daniel Fast, which resembles a vegan diet, and which has its roots in the Book of Daniel, is perhaps one of the earliest examples of a diet. In around 450BC Daniel apparently asked if his men were as strong as the Babylonians after a...