He read an abstract about the effects of chewing gum on mood and concentration, and then perused a paper. The abstract stated, “Recent evidence has indicated that chewing gum can enhance attention, as well as promoting well-being and work performance.”

Well, he could use all of that! He immediately went out and purchased several packs of different gums for his own experiment. One immediate finding was that gum prices have skyrocketed since he last purchased gum. But if it helped his attention span, well-being, and performance, it would be worth it.