NASA's Space X crew, including Maine native Jessica Meir, spoke from the International Space Station Wednesday afternoon.
Health and Me on MSN
Astronauts have to exercise in space every day: How zero gravity affects their hearts
A recent small study based on 13 astronauts showed that exercising helps in preventing changes in the heart's structure due ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results