Probably the same way an office full of smokers deals with it. If everyone agrees it's not a problem than it's not a problem. If even one person disagrees then

Probably the same way an office full of smokers deals with it. If everyone agrees it's not a problem than it's not a problem. If even one person disagrees then you follow the rules. I believe it is also the same for food allergies at school. If one child has a peanut allergy, birthday cakes are out.