Am i suppose to continue talking to my family?

My mom is an alcholic . i just had a daughter two months ago. My father is a freaking psycho he has this mental disorder called bipolar skitso effective disorder ... every couple months he goes crazy and talks about god and reads the bible outloud ... he gets on a godkick and he thinks he isnt worthy of god my mom takes pills (vicodin,xanex , perk. ) and she drinks all the time and she is a pot head my stepmom is a major pillhead and i dont know how i can keep going on in life dealing with there bullcrap .. i have my own bullcrap to deal with and they always always put me in theirs ... im scared to continue takling to them im afraid t have my daughter at either of there houses for fear of socil services takeing her away ... cuz im 17 and my guardians are screwed upp in the head ... currentley i live with my dads neighbor untill i figure out wat to do ... should i cut my parents off from my life or should i keep dealing with stuff i dont deserve there is alot more going on but no room