It seems humans aren’t the only species getting FAT. A veterinary study from 2012 shows that on average, most varieties of household pets are also gaining weight. While general diet and exercise both play important roles, some scientists are blaming the ever-increasing number of hormones found within our (and our pets’) food as a leading cause of the problem. Hormones have the ability to directly change our body chemistry by disabling or heightening the effects of various chemical processes. With processed and genetically altered foods playing an enormous role (on average) in our diets, the trend shows no real sign of slowing either.

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