Space travel caused herpes viruses to reactivate in more than half of crew aboard Space Shuttle and International Space Station, according to a NASA study, a finding that could jeopardise mankind's future missions to Mars and beyond. "NASA astronauts endure weeks or even months exposed to microgravity and cosmic radiation -- not to mention the extreme G forces of take-off …
CNN — The longer astronauts spend in space, the more likely they are to have viruses like herpes, chickenpox and shingles reactivate, according to new NASA research. “To date, 47 out of 89 astronauts on short space shuttle flights, and 14 out of 23 on longer ISS missionsshed herpes viruses in their saliva or urine samples,” said lead study author …
