The macrobiotic diet is a type of fad diet. It has been described as an early example of a fad diet. Medical authorities have described raw foodism as a fad diet. The Beverly Hills Diet is categorized as a fad diet. The Atkins diet is a kind of low-carbohydrate fad diet. Protein Power has been described as a fad diet and pseudoscientific. Claiborne was an advocate of a fad diet known as the "Gourmet Diet". Fad diet pills became more accessible in the 1960s. The cookie diet has been labelled a fad diet. Americans declare having used a fad diet for short-term weight loss. Dietician Carolyn Williams has described Fuhrman's nutritarian diet as a fad diet. The Stillman diet has been criticized by medical experts and nutritionists as a fad diet. The Ornish diet has been described as a high-carbohydrate low-fat fad diet. Cameron was known for a fad diet he invented known as the Drinking Man's Diet. The Zone diet is a fad diet emphasizing low-carbohydrate consumption.