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Overall, space travel poses many challenges to the human body, including impacts on the cardiovascular, gastrointestinal, immune, and neurovascular systems. Research has shown that astronauts experience various changes during space travel, such as reduced circulatory blood volume and cardiac contractility, increased risk of colorectal cancer due to exposure to gamma radiation, and compromised immune systems. These physiological changes can affect astronauts’ performance and pose long-term health risks. As the demand for space travel increases, there is a growing focus on understanding and mitigating these effects to ensure the safety and well-being of astronauts.

To prepare for the physical and mental challenges of space travel, astronauts have to undergo rigorous training programs that involve intense physical exercises, flight simulations, and team-building exercises. The selection criteria for astronauts are incredibly competitive, with thousands of applicants vying for only a handful of spots. Once selected, astronauts undergo years of training to prepare for the demands of space missions. However, as the space tourism industry grows, there is a need to establish standards and protocols for civilian tourists who may not have the same level of training and preparation as astronauts.

The space tourism market is expected to reach billions of dollars in value by 2034, but there are still unanswered questions about how civilians will be prepared for space travel. Independent bodies will need to determine whether civilians will need to undergo similar rigorous training programs and what the selection criteria for space travel will entail. As the private sector becomes more involved in space exploration, it will be important to establish appropriate levels of safety and oversight to ensure the well-being of all individuals traveling to space.

Despite the challenges of space travel, society has witnessed incredible advancements in both space exploration and medical research to support it. The field of space travel is continually evolving, with ongoing research and developments aimed at improving the safety and effectiveness of space missions. As technology continues to advance, it is likely that the capabilities and opportunities for space travel will expand, leading to new possibilities for exploration and discovery in the vast expanse of the cosmos.

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