Welcome to HCM
We understnd your concern.Smoking
is bad as we all know.
It is more considered as a killer in the current regime of work site stress
People smoke more when stressed or distressed.
It does more harm than good. Consuming water can reduce stress.
In your case, the culprit here is your knowledge about smoking.
You are worried about your smoking habbit.
Your worry translated in to anxiety
symptoms when you over used cigarettes.
You must have been sweating at that time, and a small draught caught you unaware.
You thought it might be something horrendous. That is it.
Just don't worry. But for good future, stop smoking.