Adrenalin

You know how sometimes you hear about people having adrenalin rushes and lifting trucks up to save someone orsomething? Do you think anyone could, or if it's even possible, to control adrenalin rushes and have them when ever you want?

Yes if you could control every single part of your brain then you could control the part that releases adrenalin, but youd have to remember to do the millions of things your brain does to keep you alive. If you could isolate that one part then yes but if you run out of adrenalin it could kill you so this wouldnt be safe.