"i have under active thyroid and i'm supposed to take thyroxen but i now get side affects from it ,so i stopped taking it and feel better but i know i need the tablets."
Please, please speak to your dr about all this. Perhaps there is some tie-in going on that the dr can help you with.
Based on the little you've said; I would make a drs appt today. It sounds like the dr has some investigating to do, including for things stella5349 has suggested.
Oh geez - sorry.. one more
Cancer has to components that it can grow in. An acid enviroment and a sugar one.
You need to make your you are in a neutral PH (around 7) also.
Your body is in a state where your insulin is wanting to increase. This is not good. You need to limit you sugar and carb intake (due to carbs converting into sugar) and get on a protein balanced diet.
Many hypo's (underactive) will develop diabeties down the road due to these insulin surges.