Yes sometimes whenever I am addicted on something likr gambling, I often drink alcohol or smoke my cigarettes especially when the game was in the kind of disastrous in which I am loosing my temper and luck and I am beginning to lose. This probably common with all of the gamblers especially when they are having a hard time to thunk about the techniques that they will do in able for them to win.
Sounds like you have a gambling problem. Losing your temper is definitely a symptom of gambling addiction. You are losing your temper because you are losing the money you'll need in the future.
If you were wagering small you wouldn't have that problem probably.
That is the sign that he is being hooked and starting to become addicted and this must be cured sooner or he will face the baddest part of being gambler.
Generally people with gambling addiction may face depression, migraine, distress, intestinal disorders, and other anxiety-related problems. As with other addictions, the consequences of gambling can lead to feelings of despondency and helplessness. This is a disease which opens gate for other diseases.
Strange, when gambling has so many side effects with it, why people still even play gambling. As per your words, it look like gambling is more dangerous than coronavirus.
I am happy that you did not say that gambling addiction may face coronavirus too

impossible that there is no side effect because the moment that we become addict the effect is really bad and some losses all their assets and family.