I was fighting some Deadra at Dagon's altar when I accidentally took out Wabbajack instead of my healing spell. And since staffs takes up your right hand, as I was swinging my new dagger at the demons I ended up blasting one of the daedra with Wabbajack. Turned him into a sweetroll. I did not hesitate to pick it up and eat it. Granted, I heal more HP eating their raw hearts, but at least I didn't get killed. I was playing my mage character, so HP wasn't something I put a lot of points into.