Father; husband; mechanical engineer. Posting from my self-hosted Lemmy instance here in beautiful New Jersey. I also post from my Pixelfed instance.
Why can’t it stay liquid?
Well, the water is necessary for for life support and needs to be sourced somehow anyway. It kind of sets a minimum crew and passenger capacity if you want to make the most use of your shielding water.
Water doesn’t have to be a liquid, but don’t actual spacecraft typically contain liquids during wall of those cases? What do you mean?
Since the astronauts need water to survive, why not line the spaceship with reservoirs of it to provide the shielding? Or does water not block space radiation well enough?
Whether or not THC affects thyroid hormones, weed use does not show up on a blood test for thyroid function.
I don’t know where you live or the relevant laws, but you should have confidentiality with your doctors and you should not have to hide any drug use from them.