Or he just paid attention to it: "It’s not yet known whether obelisks affect human health, says Matthew Sullivan, an integrative biologist at Ohio State Univers

Or he just paid attention to it: "It’s not yet known whether obelisks affect human health, says Matthew Sullivan, an integrative biologist at Ohio State University, but they could alter the genetic activity of their bacterial hosts, which in turn could affect human genes." And of course, even if there wasn't an explicit reference to that question, wondering how those new entities might affect our health is 100% compatible with the article.