Fixing America's 'Food Deserts'

"For years, major supermarket chains have been criticized for abandoning densely populated, largely black and Latino communities in cities like Detroit, Los Angeles, Memphis and Newark, N.J. — contributing to what many experts call food deserts. Many of these communities are, quite literally, starving for broader and healthier food options beyond the seemingly ubiquitous fast-food chains and corner stores selling barely a handful of fruits and vegetables — at relatively high prices. (Watch TIME's video "Urban Deserts: Fresh Food-Free.")

Simply put, people eat what is convenient and affordable — and if it's fat-heavy fast food, that's what they'll chow down on."