Diets aren’t simply about losing weight. While modifying your food is one of the most effective strategies to lose weight, it may also serve as a springboard to bettering your habits, concentrating on your health, and leading a more active lifestyle. — 1. The Mediterranean way of life For many years, the Mediterranean diet has been regarded as the gold standard for nutrition, illness prevention, well being, and longevity. This is due to its nutritional advantages and long-term viability.