Good. I am glad that you all are suffering the same thing as me. :P
I also have started losing health upon reset and have resistances capped at 80. I thought I broke the game by getting Leandra's blood before doing the goblin mines (so I can pwn the death nights there). Funny thing is that this has happened during play, not from restarting. One minute it was fine, the next it was broken. Tried quitting the game and restarting it, but to no avail. With so many people affected by this, I hope that it is addressed quickly. After all, why fix (patch) something if it was not broken? The game worked fine for me before.