I have trouble in my hormones t3 (liothyronine) 1.21 t4 0.40 tsh 3 34 what do they affect.i m fat and very nervous.ifi eat little i gain weight quickly.?

Thyroid: If the thyroid hormones are unbalanced it can cause weight gain, anxiety and many other symptoms. See below and discuss your concerns with your primary care doc. For low thyroid function symptoms: http://www.Ncbi.Nlm.Nih.Gov/pubmedhealth/pmh0001393/ for high thyroid function symptoms: http://www.Ncbi.Nlm.Nih.Gov/pubmedhealth/pmh0001396/.