My nearly 17 year old daughter was diagnosed with diabetes when she was 8. After her diagnosis, we noticed that she seems to have poor circulation - she seemed to feel cold easily, and her hands and feet sweat more than usual. In the last year or so, she's been studying in a really competitive environment, working really hard, and often very long hours. It's been very stressful, but she seems to be doing okay. She came down with a viral infection last year around October, after which I've noticed: -excessive hair fall. She had beautiful hair which is now reduced to less than half its thickness in the space of a few months. It also seems dry, and not so healthy any more. The hair fall is more controlled now after I made her change her shampoo, and become more careful about not running her fingers through it (stress tic). -low body temperature in the mornings - approx 96 F. Goes up to near normal later in the day -extreme fatigue (could be the late hours she keeps) -frequently sleepy (even during school hours she tells me) -somewhat insomniac - often doesn't fall asleep easily at night -feels extremely hot all the time -she seems not as mentally alert and clear thinking as she used to be. She went through a routine annual check at the end of May and all her results were normal. (Including haemoglobin). Her doctor recommended we get her thyroid tests done - all normal (TSH 1.9 - normal range 0.35-5.5; Free T3 3.1 - normal range 2.3 - 4.2; Free T4 - normal range 0.89 - 1.76) Can't figure out what's going on. Any ideas?