In a study she conducted with Griffith University School of Medicine in Australia she documented the impact of tapping on weight loss. Her controlled study included 89 women who were between 31 and 56 years old and clinically obese used tapping over an 8-week period. They completed approximately two hours of tapping a week, which averages out to a little over 15 minutes a day. Without diet or exercise, the average weight loss was 16 lbs.