Clearly, America's dysfunctional food culture must bear some of the blame for our excess pounds, but it's likely our walking-averse lifestyles contribute as well.

Everyone prefers some foods over others, but some adults take this tendency to an extreme. These people tend to prefer the kinds of bland food they may have enjoyed as children - such as plain or buttered pasta, macaroni and cheese, cheese pizza, French fries and grilled cheese sandwiches - and to restrict their eating to just a few dishes.

Fitting a walk into a busy life can be challenging, so I suggest walking rather driving to work or to run errands as often as you can - in other words, think of walking as alternative transportation.

Andrew Weil Quotes