I rember some JWs who would read up on stuff like this and then eliminate it from their lives, and they thought everyone else should too. For example one family wouldn't eat anything with caffeine. They thought it was a drug that pollutes our bodies like nicotine. At parties, they would casually ask, "so what ingredients are in this delicious looking cake?"
I wonder where they are now, and did they ever take their "thinking out of the box" minds a step further in realizing how inconsistant the society is...