I used to drink an energy drink on a regular basis prior to going to the gym. It gave me motivation and stamina, so I could get a good workout. One morning I was really tired, so I drank a 24-ounce can of “Rockstar” on my way to work. After a couple of hours, my heart started racing and pounding like it was going to beat out of my chest. I have had “panic attacks” before, so I thought if I could calm down I would be ok. After fifteen minutes of non-stop heart pounding, I went to the emergency room. Read more