Lets STOP! with the suggestions At the moment. CK hit it on the Head,while i agree to some extent about your back problems,what you described on the bench about your head could very possibly be Hi blood Pressure Problems,even if you've never had a BP problem(thats why it's called the silent killer) If you Do steroids,You should have a BP monitor,they only cost around $20.00 and could be the best investment you've ever made. Sure beats being paralized after a stroke has hit or worse.
So slow down here,get yourself checked daily,it could mean your life!