I have stayed in a state of exhaustion for over a decade and it seems to be getting even worse despite exercise of 30 minutes 3 or 4days per week . I also have a great diet reccommened by DR Joel Fhurman,s book titled EAT TO LIVE. I DONOT DRINK,SMOKE ,OR TAKE drugs . I am 63 years old and weigh 190 lbs my blood pressure110/70. I never drink soft drinks or candy .MY SUPPOSITION IS BECAUSE I AM ALSO VERY SENSITIVE TO COLD OR HEAT ,MY THUMBNAILS SPLIT AND TEAR & I AM ALWAYS CONSTIPATED I THINK MY THYROID IS FAILING ME .BLOOD TEST SHOWED THYROID ANTIBODIES & HASHIMOTO DISIEASE.MY DOCTOR SAID MY TSH &t3&t4 were good and did not reccomand any thing except to monitor one appointment every year . Please advise .I still feel weak with brain fog and all the other symptons.also forgot mri was also done to check for ms and brain tumor. My email is.____dhughes YYYY@YYYY