Hospitals use activated charcol, which is charcol ground up in a certain manner so there is lots of surface area and small holes for it to literally soak up things. It's used whenever anyone has ingested something potentially toxic, or ot much of something that could be toxic. IT IS NOT a good idea to eat a charcol briquette from the grill when you get home to fight a hangover. They are not pure, nor sterile and some have additives in them like lighter fluid that you obviously don't want to eat.
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"Glory is fleeting, but obscurity is forever."
- Napoleon Bonaparte
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