Common treatment includes surgery or medicine, however, one - third of people eventually become resistant to these medications (and they cause massive weight gain among other metabolic problems). (neurotrition.ca)
This condition results in massive weight gain as your dog doesn't get the proper hormones from its thyroid. (petcaresunday.com)
Let's be clear: eating moderate amounts of carbs will not lead to massive weight gain, unless you are doing nothing but watching television all day long. (dietselfhelp.com)