Whether people walking with their dogs would lose more weight after 1 year than people walking alone was assessed in the People and Pets Exercising Together (PPET) Study.56 Thirty - six pairs of overweight or obese people with an obese pet and 56 overweight or obese people without pets participated in a 1 - year prospective, controlled weight loss study in which people
received dietary and physical activity
counseling and dogs were fed a calorie - controlled prescription diet.