1. Exercise in space keeps astronauts from fainting when they return to Earth, study says.
2. Heart-related space research helps better understand the problem of low blood pressure.
3. Qi Fu et al. Impact of Prolonged Spaceflight on Orthostatic Tolerance During Ambulation, and Blood Pressure Profiles in Astronauts. Circulation. 2019 Jul 19. doi: 10.1161/CIRCULATIONAHA.119.041050.