To run, you need healthy joints. If you're poor, you probably have a chronic injury that was never treated by your thirties. Easily. I'm in the US, countries

To run, you need healthy joints. If you're poor, you probably have a chronic injury that was never treated by your thirties. Easily. I'm in the US, countries with real healthcare might be different. As well, it takes money to have somewhere close to your house that's safe to run through. Once you have the basics covered, running is easy to get into and cheap. But if you don't have middle-class basics, it takes an investment,