Is this true? i saw a commercial on tv that said passing gas is dangerous to people around you.?

i was like wtf? it said that it contains poisonous gases so out of respect, go in the other room if you have to do it. i was laughing so hard. is this true? this was a serious commercial. it said that it can cause you to have asthma and broncitis. they called it 2nd hand gas and. this is not a joke!!
Update: kristus.....i was on YA and just listening to the commercial.
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