How obesity runs in the family
More than a third of a child’s BMI is inherited from their parents, a new study has found.
For the most obese children, the proportion rises to 55-60%, suggesting that more than half of their tendency towards obesity is determined by genetics and family environment.
The study of 100,000 children, spanning six countries, has found that the intergenerational transmission of BMI is approximately constant at around 0.2 per parent; so roughly 20% due to the mother and 20% due to the father.
“We find that the intergenerational transmission of adiposity is