Hair Today, Gray Tomorrow

How the big job ages the lucky winner

[This article contains a table. Please see hardcopy of magazine.]

It seems that Presidents go through 50 shades of gray between Inauguration, terrorist attacks, economic meltdowns and running for re-election. No matter what party they are in or what era they oversee, Commanders in Chief age before our eyes. But is it inevitable?

According to the latest science, yes. It's been only a decade since researchers have been able to tease apart exactly how hair follicles work to sprout new, properly hued hair during much of our lifetimes. The short explanation is that the follicles simply can't do it forever. Stem...

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