Space travel alters the body, and chronic pain on the mind

This week, we find out how space travel is likely to affect the bodies of the Artemis II astronauts. Plus, how conflict and other adverse events during childhood influence young lives, what is the link between chronic pain, stress and the brain, and how male octopuses use a specialised arm to find mates... Like this podcast? Please help us by supporting the Naked Scientists (thenakedscientists.com/donate)