Behavior and environment are big factors in a surge in obesity. Scientists are busy trying to identify the many genes that play a role in weight gain to develop a predictive obesity test.
(Image credit: eyecrave/Vetta/Getty Images)
Behavior and environment are big factors in a surge in obesity. Scientists are busy trying to identify the many genes that play a role in weight gain to develop a predictive obesity test.
(Image credit: eyecrave/Vetta/Getty Images)