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Can Astronauts Smoke In Space?

raytchle reiss • Jan 11, 2023

Can Astronauts Smoke In Space?

Smoking is strictly prohibited on board the Space Shuttle or the ISS, and this has been the case since the earliest space missions. Even during the space race, when cigarettes and cigars were commonplace in mission control, smoking was not permitted on any spacecraft. This was before the health hazards of smoking were fully understood. Astronauts are allowed to smoke on Earth, but they are advised not to do so in public to avoid being photographed.



Astronauts can be either smokers or non-smokers on Earth, but they must take precautions to protect their health while in space. Smoking is a difficult habit to break, but it is essential for the safety of everyone on board the space station. Smokers can use nicotine patches to help manage withdrawal symptoms, but it is recommended to quit smoking altogether, especially given that space missions can last up to six months.


Why Cant Astronauts Smoke In Space?

There are several reasons why smoking is prohibited on the ISS:


  1. Firstly, smoking poses a significant fire hazard, especially since the space station is an oxygen-rich environment. The potential for a fire to get out of control is high.
  2. Secondly, the ISS is a small and confined space, making it difficult for astronauts to smoke without exposing others to secondhand smoke. Just as smoking is banned in public places on Earth, it makes sense to prohibit it in space as well.
  3. Thirdly, cigarette smoke contains harmful chemicals such as nicotine, carbon monoxide, and tar that can damage equipment and reduce the lifespan of the ISS. This could pose a risk to the safety of those on board.
  4. Fourthly, smoking increases the risk of various health problems, including cancer and heart disease. This is a risk that astronauts cannot afford to take while in space, especially considering their confined living conditions.
  5. Finally, cigarette smoke can also damage the air filters used to recycle air on the ISS, which are critical to maintaining a safe and healthy environment for the crew.


Can You Become An Astronaut If You Smoke?

The current astronaut selection process is more rigorous than ever before, with higher physical requirements. As a result, it is highly unlikely that an astronaut who smokes would be selected for a space mission. This is because astronauts are expected to be in peak physical condition and prepared for any situation.



Going to space is an extraordinary privilege, and it is crucial to maintain the strict safety standards that have been established. Refraining from smoking cigarettes is a minor sacrifice in exchange for the chance to push forward humanity's knowledge of space and the cosmos.


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