| seroprevalence of helicobacter pylori in seventh-day adventists and other groups in maryland. lack of association with diet. | to evaluate the possible role of diet in the transmission of helicobacter pylori, we compared h pylori seroprevalence among seventh-day adventists (who are vegetarian and abstain from alcohol, caffeine, and meat; n = 94) and two non-seventh-day adventist control groups (n = 168). with the use of an enzyme-linked immunosorbent assay h pylori antigen prepared in a french pressure cell, we found no difference in seroprevalence among these groups; however, seropositivity strongly correlated with age ... | 1990 | 2241444 |