The new study used data from three previous studies: the Nurses' Health Study, the Health Professionals Follow-up Study and the Women's Genome Health Study. Researchers looked at questionnaires on the frequency of sweetened beverage consumption, including soda and juice. Researchers also used participant body mass index (BMI). Obesity was defined as a BMI above 30.
Researchers performed genetic analysis to determine known genetic markers of obesity. Based on the number of markers, participants received a score indicating their genetic risk of obesity.
Individuals who drank one or more sweetened beverages daily had a significantly higher genetic obesity risk than individuals who consumed one sweetened beverage monthly.
Researchers stated that obesity is a complex interaction between genetics and diet. More research is warranted.
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