Every time you take a long draw on that cigarette, you lose a small piece of your manhood, according to a new study that links smoking with a loss in Y chromosomes in your blood cells. While men and women both carry X chromosomes, only males carry the Y chromosome, the biological marker that determines sex.
Why should you care? Because researchers also believe this cell mutation caused by the loss of the chromosome may make it harder for the body to fight off disease—a possible reason cancer rates are higher in men.
The good news: The study found that cells start repairing the Y chromosome damage as soon as you quit tobacco.
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