That is a major factor. We often refer to Whole Foods, the major American supermarket that sells healthy, organic food & fresh produce, "Whole Paycheck," because it really is not cheap.
I work near a very poor inner city community and I have never even seen a grocery store there that sells produce. But there is a McDonalds or convenience store (selling cigs, liquor, and junk food) on every corner.
Also, Americans tend to have a very sedentary lifestyle: they drive everywhere, sit at a desk or stand behind a counter all day, sit on the couch in front of the Tv when they get home... Those who can make you believe absurdities can make you commit atrocities. -Voltaire
The 40th anniversary of the Watts riots just passed, and next to police brutality, the grocery store is the most talked-about factor. The LA Times interviewed some people who were there at the time, and this one person was saying the food in that store was so rotten that no one even looted it -- they just burned that sucker down. Maybe we can eventually make language a complete impediment to understanding. -Hobbes
There is a briefing page on them here: soil association
Where we live, we do get milk delivered from a local farm that doesn't use hormones or anything, and it's the same cost as from the store, but I was amazed to come across such a thing. They certainly didn't have that where I grew up in Los Angeles!
Also what I've heard is good here, is we have local farmer's markets on the weekends. That's on my to-do list. I'd like to get fresh food and support the local growers. Maybe we can eventually make language a complete impediment to understanding. -Hobbes