Folic acid levels below a certain threshold, affecting 10% of the US population, can lead to chromosome breakage.

“And this is huge compared to little bits of pesticide or something in your water. Those all seemed trivial to me.”

“And so folic acid deficiency does the same thing as radiation.”

“when a mouse doesn't get enough folic acid which is one of the vitamins it all the chromosomes get broken just like radiation”

“when he looked at the level that of folic acid if you below that you're breaking chromosomes it was 10 percent of the U.S population and half of the poor”