View behind a cameraman filming a researching taking a blood sample from my arm, which is sticking out of a metabolic chamber.

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   Brian Vastag (brianvastag@sciencemastodon.com)'s status on Tuesday, 02-May-2023 16:10:40 JST Brian Vastag

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   I also spent 4 nights inside a sealed metabolic chamber. Every calorie in and out is measured (I'll spare you the scatalogical details). The chamber measures how much CO2 a person exhales, and these numbers together can measure metabolic rate. The chamber was loud - lots of fans - and I didn't get much sleep. Here's my arm sticking out of the chamber for blood work, with my friend Andreas filming for German television. 11/