Microplastics are everywhere—and for the first time they've been found in penises of men suffering from erectile dysfunction. Does this mean there's a link between the two? Why have rates of infertility and ED been rising around the world? And why does it take a study that finds them in a penis to drive so much media than previous studies that have found these things in other places in the body?

GUEST: Dr. Ranjith Ramasamy, reproductive urologist, study lead

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