I think my wording was confusing. The phrase "at first" was supposed to qualify the idea of vitamins, not phlogistons. In other words, "You think the lack of th

I think my wording was confusing. The phrase "at first" was supposed to qualify the idea of vitamins, not phlogistons. In other words, "You think the lack of this substance causes scurvy? What is this negative pathogen you're talking about, phlogistons?"