What Will It Take To Stay Healthy In Space? Practical Artificial Gravity

I think this is why we are going to need to put a lot more serious effort into space medicine. Between the radiation hazard and microgravity effects, we have a lot to learn.

The movie Europa Report also suggested part-time gravity as a solution to long-term space travel to places in the outer solar system: only the section of the ship containing the crew quarters rotated to provide a certain amount of gravity during down time.