Link between genes and weight gain found: study

The researchers gave individuals from three prospective cohorts a genetic risk score based on 32 single nucleotide polymorphisms (SNPs) linked to BMI, then assessed how often they ate fried foods.

Having fry-ups more than four times per week had double the effect on BMI for those with the highest genetic risk scores compared to those with the lowest scores, they found.

The idea of ‘personal responsibility’ for weight should not overshadow the need for medical help for