date:Sep 24, 2012
have more than doubled since the 1970s in the U.S.
But that doesn't prove that these drinks cause obesity. Genes, inactivity and eating fatty foods or just too much food also play a role. Also, diet research on children is especially tough because kids are growing and naturally gaining weight.
Until now, high-quality experiments have not conclusively shown that reducing sugary beverages would lower weight or body fat, said David Allison, a biostatistician who has done beverage research at the