The Werewolf Diet? Yes, the Werewolf Diet!
In the 1830s, Presbyterian minister Sylvester Graham (who also invented the graham cracker) believed that abstaining from sexual activity (along with a sensible vegetarian diet) would lead to weight loss. He was almost right, except that sex burns calories, which totally contradicts Graham in every way.
Fruitarians rely on a diet consisting primarily of fruits, which sounds good but actually isn't. Excessive fruit consumption can lead to weight gain, tooth decay, diabetes, nutritional deficiencies, and diarrhea. But if you're okay with those, The Fruitarian Diet might be just what you're looking for!
Also known as "The Moon Diet," this plan requires people to alter their diet based on the phases of the moon, but it's not as difficult as it sounds. Basically, you just don't eat when there's a full moon. You might lose 2–6 pounds in 24 hours, but you'll return to normal pretty quickly...kind of like a...(wait for it)...WEREWOLF!!!!
The Tapeworm Diet is exactly what it sounds like: People swallow tapeworms that attach themselves to the intestines and eat some of the people's food for them. Sounds great, right? The only major problems with this diet plan are: a) it's extremely illegal, and b) it's life-threateningly dangerous. So if you don't want to go to jail or die, you might want to avoid this terrible diet plan.