New answers tagged

2

I have never cleaned my teeth in bed or in space but both have a common problem - where to spit? Chris Hadfield made a video while on the ISS and said "swallow": https://youtu.be/M-Vqe1NGSKw?t=112 It is reasonable to assume his advice has come from NASA's medical team and is trustworthy and safe.


Top 50 recent answers are included