An additional within-subject study of twenty-eight juveniles who experienced both diets (twelve crossover and sixteen crossbacks to the original diet) resulted in a 35 percent reduced incidence of antisocial behavior.

Before “Come Clean,” also known as the theme song for the MTV reality drama “Laguna Beach: The Real Orange County,” she made a characteristically dispassionate (and, it seemed, underpunctuated) request for audience participation: “Hey you guys know this song help me sing O.K.”

On other screens are closeups of skin pores, before and after, details of regimes for everything, your hands, your neck, your thighs. Your elbows, especially your elbows: aging begins at the elbows and metastasizes.

He couldn't even turn the board or raise the nose. Consequently, the board pearled, nose-dived into the water, throwing Lee off almost like being thrown from a horse. But he persisted.