Jason Hayes

Jason Hayes is a public-health professional with a focus on international health. He is a contributing author at HealthMap, a global infectious-disease surveillance site.

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A History of Contraception

In the 16th century, men used linen condoms laced shut with ribbons.

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'A Music That Has No End'

In Spain, a flamenco guitarist hustles to make a modest living.

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What Fifty Shades Left Out

A straightforward guide to BDSM

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