Is it the obesity that causes T2 or is it insulin resistance that causes obesity? I've heard both but am wondering what you all think.I'm wondering if my relatively recent huge weight gain is caused by insulin resistance. I used to stay steady at around 265 lbs but I'm now at my highest weight ever at 345 lbs. I just started on a low-carb diet today. Very low carb. No bread, no pasta, rice or oth…