My husband and I have switched from nasty cigarettes to the eGo electronic Cigarette. We have been using the e-cig for 2 months now. I have had no problems with it. And as far as I know my husband doesn't either. However, today he was rushed to the ER having a severe panic attack. This is the first time he has had this problem. And we are unsure of the cause. He was wondering if it may be a side effect of switching to the e-cig. I don't think it is, but I figured I would ask to make sure. Thanks in advance for your help.