Alcohol and spaceflight

Alcohol is generally disallowed in spaceflight, but space agencies have previously allowed its consumption. NASA has been stricter about alcohol consumption than the Roscosmos, both according to regulations and in practice. Astronauts and cosmonauts are restricted from being intoxicated at launch. Despite restrictions on consumption, there have been experiments in making and keeping alcoholic drinks in space.

The effects of alcohol on human physiology in microgravity have not been researched, though because medications can differ in their effects NASA expects that the effects of alcohol will also differ. Beer and other carbonated drinks are not suitable for spaceflight as the bubbles cause "wet burps"; also, a foamy head cannot form as the bubbles do not rise.

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