http://www.sciencedaily.com/releases/2013/04/130411142716.htm Last two paragraphs: "The authors also note that the study of animal medication will have direct relevance for human food production. Disease problems in agricultural organisms can worsen when humans interfere with the ability of animals to medicate, they point out. For example, increases in parasitism and disease in honeybees can be linked to selection by beekeepers for reduced resin deposition by their bees. A reintroduction of such behavior in managed bee colonies would likely have great benefits for disease management, the authors say." So what "reduced resin deposition" and how does one "reintroduce such a behavior"?