Space 'makes the heart grow rounder,' microgravity could lead to heart problems: study
Astronaut Mike Hopkins (AFP)

Space 'makes the heart grow rounder': study (via AFP)


Astronauts' hearts grow rounder while they are in space, suggesting that spending lots of time in microgravity could lead to heart problems, according to US research on Saturday. That could mean trouble for people who want to embark on long-term missions…