Weight gaining, that lovely female curves, is the easiest, it has nothing to do with the doctors, you shouldn't disturb them on the issue of gaining weight. It had nothing to do with any metabolisms, high or low. It has nothing to do with the nutritionist nor does it have anything to do with the dietician, many of the professions listed above don't know what is really causing your skinny-ness, the gym also have tried all they could, the psychology of eating every three hours has nothing to do with gaining weight or having the curves you ever wanted.
It is not your gene that confines you to this state. It is nothing at all from what we used to know from inceptions, the problem start from nature, and it is only in nature that you can find the everlasting solutions, the solution that has nothing to do with your doctor, nutritionist, dietician's, psychologist, the gym, or eating like mad, etc.
This book is about the underweight people. It is the solution, they wanted all their lives. It is wrapped around all the naturals, no vitamins, no gyms, no doctors, no dietician's, no nutritionist, no exercises no psychology and all the norms we used to know.