What was supposedly the Mayo Clinic Diet is a fad or crash diet. It is based around grapefruit, lots of salad and protein, and little carbohydrates. Weight loss was supposed to be in the region of 50-55 pounds in 10 weeks.
The daily points allowed on Weight Watchers vary according to sex,weight, height and activity level. A woman who weighs under 150 pound would be allowed between 18 and 23 points, according to Watcherspoints.com, whereas a man who weighs 300 pounds would get around 35 points a day. Keep Learning.
For good health the minimum daily points allowance is 16 points and the maximum is 40 - if you are outside this range. If you do half an hour of exercise ie, swimming / gym, you get an extra two points on top of your daily allowance. Hope this helps-this comes from the actually book. Good Luck x.