Men Lose Y Chromosome Over Time, but Smoking Can Speed Rate of Degradation

December 5, 2014 3:48 AM

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New research out of Sweden suggests men who smoke tobacco could lose their Y chromosome, which could mean lower sperm count, among other things.

The loss or degradation of the Y chromosome is nothing new. Scientists have long known that this would happen over time; it is just a normal part of aging.

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