So much for mystical techniques

‘Suspended Animation’ Induced In Mice With Sewer Gas: Effects Are Reversible

In all the mice, metabolic measurements such as consumption of oxygen and production of carbon dioxide dropped in as little as 10 minutes after they began inhaling hydrogen sulfide, remained low as long as the gas was administered, and returned to normal within 30 minutes of the resumption of a normal air supply. The animals’ heart rate dropped nearly 50 percent during hydrogen sulfide adminstration, but there was no significant change in blood pressure or the strength of the heart beat. While respiration rate also decreased, there were no changes in blood oxygen levels, suggesting that vital organs were not at risk of oxygen starvation.

50% is interesting, but I’d love to see if it’s possible to do more. What’s particularly interesting is that this seems to be a generalized metabolic effect (i.e. blood oxygen doesn’t change with reduced heartbeat and respiration, but CO2 goes down).

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