American Heart Association

Liftoff: Astronauts need extra exercise and calories in space

By AMERICAN HEART ASSOCIATION NEWS

It takes physical activity to stay heart-healthy on Earth and even more to stay healthy in space.

The lack of gravity in space causes hearts to slightly expand and work differently, said NASA astronaut and geophysicist A.J. “Drew” Feustel, who is scheduled to take off for […]

March 21st, 2018|Categories: Health, Healthy Living, Nutrition, Physical Activity|Tags: , , , , , , , , |Comments Off on Liftoff: Astronauts need extra exercise and calories in space

Tiny fish hearts atrophy in space, study finds

BY AMERICAN HEART ASSOCIATION NEWS

Would fish do swimmingly in outer space, or would their muscle tissue shrink like those of human astronauts floating in zero gravity?

Japanese scientists had this question in mind when they sent groups of medaka fish into space to learn what happens to their hearts. What […]

November 8th, 2015|Categories: Health, Scientific Sessions 2015|Tags: , , , , , , , |Comments Off on Tiny fish hearts atrophy in space, study finds