We know that a range of factors influences weight, including those related to lifestyle and genetics, but researchers have now identified six specific exercises that seem to offer the best chance of keeping your weight down – even if your genes don't want you to.br Based on an analysis of 18,424 Han Chinese adults in Taiwan, aged between 30 and 70 years old, the best ways of reducing body mass index (BMI) in individuals predisposed to obesity are: regular jogging, mountain climbing, walking, power walking, dancing (to an "international standard"), and lengthy yoga practices.