Abstract: Life is precious. All should live happily. For that people must know preventive measures to lead a healthy life without any disorder. People should take balanced diet. Diabetes mellitus is a chronic disease of mankind throughout the world. General observation shows that lifespan of people with diabetes mellitus is better than other condition. Until European settlement of Australia 200 years ago, Aborigines lived as nomadic hunter-gatherers all over the continent under widely varying geographic and climatic conditions. Successful survival depended on a comprehensive knowledge of the flora and fauna of their territory. Available data suggest that they were physically fit and lean, and consumed a varied diet in which animal foods were a major component.