I too have a sweater with me most of the time here in Southern California, the land of T-shirts and shorts. For sure I have less fat and less lean body mass than I did before all this started, and that is an influencing factor. My thyroid still test out Ok still, but at some time in the future as a result of all the radiation, it will likely become somewhat incompetent. I have recurrent problems with APV (acute positional vertigo) that they have relegated to the world of radiation damage since they can find no other causative factors. But Mark has answered one of my wife

Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.