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We'll always have diet crazes

Cookie Diet: A Florida doctor created this in 1975, where you eat cookies made with a blend of amino acids.

The F-plan: Introduced in 1987, the F-plan advocated a high-fibre, low-fat, calorie-controlled eating plan.

Macro Diet: Gwyneth Paltrow (left) and Madonna were reportedly fans in the 1990s. It emphasises whole grains, vegetables, beans, and fish.

Lemonade Diet: Made popular by the belief Beyonce lost weight on it in 1996. You drink six to 12 glasses of lemonade laced with cayenne pepper and maple syrup a day.