If you are struggling to lose weight, you are in good company;billions of people around the globe are fighting an uphill battlein the weight loss war as well. Yes, billions!Studies show that two out of three Americans are overweight orobese. According to the World Health Organization, 1.6BILLION people worldwide are overweight.Interestingly, however, in some parts of the world, there aresocieties of people who stay trim and healthy well into old ageand beyond. They are not plagued by many of the diseases thataffect people in industrialized areas of the world, and they donot suffer many of the aging related diseases that people inWestern countries suffer as they age.