It is genetic, Stan Hieronymus has talked about that.
Good to know. I don't suppose you have a handy reference?
Just ran across it in the book "For the Love of Hops" by Stan Herionymous. See pg 39 in the section "Why You Smell Tomahto and I Smell..."
On the next page is a quote from Keller at Rockefeller University, who says "Everybody's olfactory world is a unique, private world." That quote is referenced as coming from a Scientific American Article from 2011 titled "You Smell Flowers, I Smell Stale Urine".