Peter Attia· MD
he blamed it on on biosphere a little bit because they had you know they were supposed to be totally independent except for light from the rest of the world but a few times they had to purge CO2 and in flux O2 but he he said there was probably gases but it was his story I don't know yeah how true it was but uh he said that uh he was Intoxicated by gas in in the biosphere