Advice for Dealing with Radical RW Family Members [View all]

I know this sounds like a political issue but more and more I am Thinking what is wrong with my some of my Family is a Mental Heath Issue. I can't talk to them as they immediately start the "talk over me" thing and I loose it. We haven't had this discussion in Four Years so a lot came out. The Worst thing for me is they deny everything that happened...I had hoped they would ditch the former guy but no my brother sounds like a well programmed Robot. I (They) need Help, as the Bottom Line is my Mother's Health; she is being cared for by someone who doesn't believe in...you name it as far as Science goes.