A college nutrition professor is using his own diet and body to upend notions of what is healthy. This month, he's eating almost only high-calorie junk food—Twinkies, powdered donuts, sticky buns—and still shedding pounds. "Is it truly weight we should be concerned with or should it be what we eat? If we lose weight, this diet should be viewed as healthy," 40-year-old Mark Haub explains to AOL News.
Two weeks in, he's lost 7 pounds, but his head has felt like "it was in a vise." Next month, the Kansas State University professor plans to turn the tables and eat almost exclusively "healthy foods" such as fruits and vegetables and whole grains. He plans to gain weight in that exercise and prove that a strict low-fat, low-calorie diet isn't the picture of health, either. Click here for the full story.