Bunch of men, marooned in ice, no women or pron. You bet they went insane
But yes, there are a number of theories. And food standards as well as tinning were in their infancy.
Of course there are wackier ones. But most of the more scientifically viable do revolve around what they were eating, one way or another.
Pleased to have more knowledge now though, thank you.
BTW, am chock-full of protein if anyone needs to keep their levels up by...
No, sorry. That's too rude.