A new study of obesity genes and different kinds of exercise finds that jogging is the best way to counteract weight gain. (Credit: By Giuseppe Elio Cammarata/Shutterstock)

Obesity is worldwide health problem tied to both nature and nurture. Genetic mutations make some people more likely to gain weight than others, but exercise lessens those chances. Now, some surprising new research suggests that certain exercises are better than others at counteracting these fat genes. For example, cycling