It turns out, she writes, that the whole diagnosis is based on one experiment from the 1960s in which doctors strapped 50 monkeys onto a track and slammed them into a wall at high speed.
Their first experiment with this is The Eatery, an iPhone app that helps users track and analyze their eating patterns to better understand their strengths, weaknesses and the best places to make changes in their diet.
In an experiment popularized by the book of the same name, volunteers were told to keep track of how many times a basketball was passed between players.