It's not likely you'll overdose on nicotine just from smoking cigarettes. Your body absorbs the nicotine in a cigarette around 1 milligram when you smoke it. Overdosing from nicotine gum or a patch is rare but it's possible if you don't follow the instructions carefully.
Dont add comma is the right one
No, because rule could mean RULE the kingdom or it could been something you must abide to, judgment could mean decision or it could mean an opinion.