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.
February 21, 2026 - 19:04
A huge study finds a link between cannabis use in teens and psychosis laterA landmark study tracking hundreds of thousands of individuals from adolescence into adulthood has delivered compelling new evidence on the mental health risks of early cannabis use. The research,...
February 21, 2026 - 05:56
Seven Powerful Herbs Shown to Combat Inflammation and Support Heart HealthDietitians are highlighting a selection of common kitchen herbs that do far more than enhance flavor. These fresh additions pack a potent nutritional punch, offering compounds scientifically linked...
February 20, 2026 - 12:54
TIME100 Health Panel Discusses Efforts to Prevent Heart DiseaseA distinguished panel convened in New York City to address the critical public health challenge of cardiovascular disease, shifting the focus toward prevention and holistic well-being. The...
February 19, 2026 - 23:17
Letters to the Editor: Hamas must also answer for Palestinian children’s mental health crisisThe profound mental health crisis facing Palestinian children in Gaza is a direct consequence of the ongoing war, but a significant share of the responsibility must be placed upon Hamas, contends a...