I am caring for both my parents, is their financial assistance for me, since I am unable to work? Does Social Security help me

I'd see an elder law attorney and see if something can be drawn up to make this legal. Then you are protected. You might find one here:
http://www.naela.org/
You can also contact your state bar association and see if there is someone who can help you pro bono (free).
Good luck,
Carol