The study shows that if you increase drinking sugary beverages by one serving per day, it will lead you to gain an additional pound of body weight over four years.

CNN: Forget large sodas, how about banning French fries?

As they age rapidly, these children suffer from a loss of body fat and hair and an inability to gain weight.

CNN: Advances in kids' early aging disease

Patients often gain a lot of weight, and the ups and downs in fluid buildup stress the body and heart.

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