Desperate to lose lots of weight as fast as possible, Jeremy White set a goal early in 2011 to visit all National Parks in the 48 contiguous states of the USA before 2014 ended and lose 48 pounds from doing that. Ads on television show many other ways to lose weight, but White wanted to learn more about his nation and nature and set a weight loss goal that was motivating. Other ways to weight loss may be better or worse, but Jeremy eventually realized...