Before, it was the common notion that a person had to be of excellent health to be able to go to outer space.
Nowadays due to studies on space health and medicine it is clear that ordinary people can survive a trip to outer space. However, there are health issues that must be dealt with and studied further.
Here is a selection of some recommended Space Health sites.
SpaceFuture.com - Health and Fitness section of SpaceFuture: Includes discussions on space sickness, bird legs and blocked noses, the long term health effects of living in space, space radiation, and the health benefits of living in space.
Please feel free to share your favorite Space Health and Medicine websites (with a short description).