Top 9 Most Dangerous Diets

Grapefruit Diet

People have done this diet in recent years as well, although it dates back to the 1930s. No limits on fried foods or butter, and it tells you to enjoy some of your favorite foods when you are following this diet. You should limit carbs, as well as focus on ingesting more protein as a part of your diet. It also suggests consuming at least 64 oz of grapefruit juice in a day, to help flush your system of excess fat.