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.