"This is from Tyrone Williams, who's on Twitter and goes by Immune Hack," Scott says. "I don't know if it's true, but it has enough meat on the bones for me to say, I think Tyrone's onto something." He cites studies showing that there are at least four or five health-related factors that can affect your cognitive ability of a baby. The biggest reason you probably won't have seen this is it's just so dangerous.