How much of what parent's tell kids is actually true? Ken Jennings sought to find out the truth behind many things he had heard parents say. Some things are blatantly false with a difficult time finding any truthiness. Most things have some bit of truth to them, but don't really matter today. (Outside-latching refrigerators and radiation-emitting TVs have been out of production for half a century.) Sometimes the grain of truth was actually used for war propaganda. (Carrots do have Vitamin A. A total absence of vitamin A can lead to vision problems. However, almost nobody suffers from this today. Carrots benefitting vision was spread as British propaganda to lead the Nazis away from the path of radar.) There are also things that really are true. The book is a good "fact checker" for passed down parental wisdom.
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