Ever since I found out about the below, I've wondered what other cheap, simple and radically effective changes we could also be doing. The fact: "Adding iodin

Ever since I found out about the below, I've wondered what other cheap, simple and radically effective changes we could also be doing. The fact: "Adding iodine to salt in the US led to an 11% increase in income and increase of one standard deviation IQ." Source: https://en.wikipedia.org/wiki/Iodised_salt#United_States https://en.wikipedia.org/wiki/Iodised_salt#United_States