January 11, 2025 - 18:37

NASA astronaut applicants must navigate a rigorous medical examination and screening process before being chosen for the prestigious role of an astronaut. This comprehensive evaluation assesses the physical and psychological fitness of candidates to ensure they can endure the unique challenges of space travel.
One critical aspect of this selection process includes the consideration of waivered health conditions. While certain medical issues may disqualify candidates, NASA allows for waivers in specific circumstances. This means that applicants with previously disqualifying health conditions may still be considered if they can demonstrate that their condition is well-managed and does not pose a risk during missions.
The waiver process is highly selective and requires extensive documentation and assessments from medical professionals. Candidates must provide evidence of their health status, treatment history, and the potential impact of their condition on their performance in space. This approach reflects NASA's commitment to inclusivity while maintaining the safety and effectiveness of its astronaut corps.
July 16, 2026 - 04:31
University of Michigan’s David C. Miller chosen to succeed Jeff Balser as Vanderbilt Health’s President and CEO and Dean of Vanderbilt University School of MedicineDavid C. Miller, MD, MPH, has been selected as the next President and Chief Executive Officer of Vanderbilt Health and Dean of the Vanderbilt University School of Medicine. Miller currently serves...
July 15, 2026 - 04:16
Extreme heat and health | Harvard T.H. Chan School of Public HealthAs temperatures climb to dangerous levels across many regions, public health experts are warning that extreme heat is not just uncomfortable-it can be deadly. Heat-related illnesses, from heat...
July 14, 2026 - 03:29
'Dangerous heat' to broil Southern California this weekA dangerous heat wave is expected to settle over Southern California this week, with temperatures soaring into the triple digits across the region`s interior. Forecasters warn that the most intense...
July 13, 2026 - 06:25
North Carolina reports an increase in cyclosporiasis cases, health officials sayRALEIGH - The North Carolina Department of Health and Human Services has reported a noticeable increase in cyclosporiasis cases across the state. Cyclosporiasis is an intestinal illness caused by...