I read about this in the newspaper yesterday and thought it was pretty cool. Unfortunately you can't use it if you're asthmatic, though.
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“You didn't kill him. He would have killed you, but you didn't kill him.”
“So? He was stupid. If I killed everyone who was stupid I wouldn't have time to sleep.”
Yeah I thought that was ironic that diabetics got the inhaler (I am not sure of the propellant in the inhaler) and asthmatics got it taken away...........what a day for progress in medicine.