how long can you live out in space with out a helmet

Question: how long can you live out in space with out a helmet
- Keywords:
  helmet,
  survive
Asked by 895btr39 to Col Op, Elie, Floris, Jenn, RocketRich on 10 Mar 2016. This question was also asked by jcj.
- Columbus Operations answered on 10 Mar 2016:
  
  Tom: How long can you stay without breathing?

Question: how long can you live out in space with out a helmet