obesity

[Stoddard]

Do you think technology is responsible for the recent rise in obesity, or is that too simplistic a theory?

[nickh]

Obesity's been rising steadily in North America since the 1970s. The primary cause is the USDA's recommendation of reducing fat intake, and increasing carbohydrate intake.

Carbs against Cardio: More Evidence that Refined Carbohydrates, not Fats, Threaten the Heart: Scientific American (http://www.scientificamerican.com/article.cfm?id=carbs-against-cardio)