In 1949, Americans spent 22% of their income on food, whereas in 2009 they spent a meager 10%.
While it seems like saving money is always a good thing, this isn't anything to cheer about. Cheap food is often the product of factory farming and industrial agriculture. With jumbo size products being sold for cheaper, Americans may be gaining more for their dollar, but they're also gaining more weight, losing their health, spending more on their healthcare and supporting environmentally unsustainable practices.
WATCH how food has altered Americans' health: