Could life be possible in space? NASA astronaut’s heart shrank

According to a new study in the USA, when NASA astronaut Scott Kelly spent about a year in space, his heart shrank despite exercising six days a week during his 340-day stay. Surprisingly, researchers observed the same change at Benoît Lecomte, which sailed from Japan to the US for 159 days in 2018. The findings showed that resisting gravity over prolonged periods of time resulted in heart shrinkage and brain cell loss, and vigorous exercise…

"Could life be possible in space? NASA astronaut’s heart shrank"