1. The document describes four popular fad diets: the 7-day cabbage soup diet, the Warrior Diet, the Banana Diet, and the Atkins Diet.
2. The cabbage soup diet involves eating only cabbage soup for a week and guarantees 4-5 kilo weight loss but the soup lacks taste and the weight is often regained.
3. The Warrior Diet recommends eating little during the day and heavy meals at night, based on primitive hunting patterns, and involves fasting until evening with only water and small snacks allowed until then.
4. The Banana Diet starts with one banana for breakfast and a small optional snack afterwards, followed by normal meals until an 8pm dinner deadline,