hi guys, so im about 3 stone overweight...im tired alot dont have much energy and always feel the heat, even in the winter i can be sweating it out just walking to work (which is 10-15 mins away) i was told and underactive thyroid but ive had a blood test dont but its come back fine and no probs...i know my ''bmi'' is over...but does anyone know if the above problems are linked with being overweight?