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In Klamath, you can hunt, which is pretty good.
In the Pit, you have to survive and work as a prostitute for a fix.
In Redding... hmm... I'm not sure.
In New Reno, it's dangerous, yes. You should go there if you want some dangerous fun.
In the Hub, it seems okay, but the first citizen is such a bitch, and they also have children on a schedule.
In Vault 8, there are caravans, you can travel with them. Although they also exist in NCR, the conditions there are good. I haven't been there yet, I forgot what it's like. The same goes for San Francisco, I only remember the first district, the fanatics, the ring, and that's it.