I'm trying intermittent fasting as part of an overall gut and body health experiment on myself. (cutlerwelsh.com)
Since our country has such a short history of eating GMOs, it amounts to a large public health experiment with you as the subject. (kimberlysnyder.com)
But on April 26, 1954, researchers began administering a vaccine in what would become the largest public health experiment in American history. (discovermagazine.com)