It depends if they really dont feel good or they feel light headed or something like that
A nerve agent would cause drooling, breathing difficulty, and vomiting.
If a person is prone to fainting when they are anxious, nervous, scared or worried then they may faint due to the worry of being caught. Marijuana itself does not cause fainting.
Most likely just vomiting and a 15 percent chance of fainting daily.
Sometimes.
all of them.
yes it can.
Hypertension can cause vomiting, diarrhea and fever.
If you've been having vomiting and/or diarrhea, you may have lost lots of fluid and become dehydrated. This could cause light-headedness and even fainting.
Nerve.
yes
Could happen if caused serious injuries...
Food poisoning can cause vomiting.