Someone in the tribe knew how to make a splint and what herbs or foods were best for what ailment.
: or a guaranteed source of water that does not carry those roundworm parasites that love to swim inside your eyes
In general I expect that there would be few enough people, and they'd be sufficiently knowledgeable of the water sources among the areas they frequented, that this usually wouldn't be a problem.
> One group of students decided to put this method to the test. They hoisted their water-filled deer hide directly over a fire, and they planned to let it go as long as the hide stayed intact. The hair on the outside singed, but the skin itself held up just fine. So the students waited and waited and waited. Four hours later, the hide was still intact. It did get very hard, but neither sprung a leak nor burned.
: or anti polar bear sprays so they didn't tear you off and eat alive?.
I'm pretty sure that by the time some of us migrated to where polar bears live we had some pretty good spear technology.
That's what calluses are for.
: without painkillers
And poppies, and https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9785912/ . Even animals know what plants to eat to help with pain.
: or healthcare
Someone in the tribe knew how to make a splint and what herbs or foods were best for what ailment.
: or a guaranteed source of water that does not carry those roundworm parasites that love to swim inside your eyes
In general I expect that there would be few enough people, and they'd be sufficiently knowledgeable of the water sources among the areas they frequented, that this usually wouldn't be a problem.
https://askdruniverse.wsu.edu/2018/08/31/dr-universe-people-...
https://www.theatlantic.com/science/archive/2020/01/how-did-...
> One group of students decided to put this method to the test. They hoisted their water-filled deer hide directly over a fire, and they planned to let it go as long as the hide stayed intact. The hair on the outside singed, but the skin itself held up just fine. So the students waited and waited and waited. Four hours later, the hide was still intact. It did get very hard, but neither sprung a leak nor burned.
: or anti polar bear sprays so they didn't tear you off and eat alive?.
I'm pretty sure that by the time some of us migrated to where polar bears live we had some pretty good spear technology.