How is a fad diet different than a low calorie diet?

A low-calorie diet is just a diet that is low in calorie, where a fad diet uses feeding models that perform the very short term, fast weight loss. Low-calorie diets can, in particular, help one lose and keep off the weight.

A fad diet or diet cult is a diet that delivers outlooks of weight loss or other health benefits such as longer life without support by solid science, and in many cases are described by highly restrictive or unusual food choices.

low-calorie diet, you usually get between 800 and 1,500 calories a day. For some people, a predicament for short-term weight loss is a very low-calorie diet. Many very low-calorie diets are commercially-made varieties of 800 calories or infrequent that backup all the food you usually eat.

you would need to check her bp before and after her activity.