What do female astronauts do when they have periods in space?
How do astronauts who menstruate handle their cycles in space?
How do astronauts have sex in space? What do astronauts do to keep themselves fit in ISS? Can astronauts in space masturbate? Are astronauts allowed to masturbate in space? What do astronauts do while on the ISS? Do astronauts masturbate in space or what do they do when they get aroused? What do astronauts consume or intake in space in zero gravity? What kind of training does astronauts go through? How do astronauts meditate in the ISS? Are there records of astronauts having sex in space? What kind if training do astronauts in NASA go through? Do astronauts masturbate on the ISS? Have astronauts ever had sex in space? What kinds of anti-gravity performance tests do astronauts need to go through? What happens when astronauts fart in their spacesuits? How do astronauts shower in space? Can astronauts masturbate once they're in space? If so, how is masturbating in zero-g different from down on the ground? How do astronauts entertain themselves while working in the space station? Do astronauts worry about their safety in space? What do astronauts eat in space? Do astronauts sweat in ISS? What do ISS astronauts really do in terms of work? How astronauts makes free gravity training? How do the astronauts practise for zero gravity on earth? How do astronauts on the ISS get sexual relief? In astronaut training, astronauts ride on a huge centrifuge to make them experience high accelerations.  Is this only to test how their bodies react to such large g-forces?  In other words, does actual spaceflight also produce motion sickness? Do astronauts even get sick? How are astronauts protected from radiation during space walks? Is there an international time unit in space? How does the ISS astronauts and and or colonist on Mars keep a reference of time? Does the U.S. currently have any means of putting astronauts in space?