Paul Saladino· MD
when you're trying to lose weight and you're limiting calories and you're over exercising you're basically hurting your thyroid the body's very smart you're telling your body that it's starving you're telling your body that whatever tribe you're in there's not enough food there and you have to walk from miles a day to find the next set of food that's going to make you less fertile and it's going to tone your thyroid gland down