Substantial increase in body weight since 1960s due to interplay between genes and environment

People with a genetic predisposition to obesity are not only at greater risk of excess weight, their genes interact with an increasingly "obesogenic" environment, resulting in higher body mass index (BMI) in recent decades, finds a study from Norway published by The BMJ today.

source https://www.lifetechnology.com/blogs/life-technology-news-blog/substantial-increase-in-body-weight-since-1960s-due-to-interplay-between-genes-and-environment