An article appeared in the wall street journal on tuesday, april 27, 2010, with the title "eating chocolate is linked to depression." the article reported on a study funded by the national heart, lung and blood institute (part of the national institutes of health) and conducted by the faculty at the university of california, san diego, and the university of california, davis. the research was also published in the archives of internal medicine (2010, pp. 699-703). the study examined 931 adults who were not taking antidepressants and did not have known cardiovascular disease or diabetes.