Losing the Y chromosome may shorten men’s lives

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Losing the Y chromosome in blood cells may bring on cancer and shorten men’s lives, new research suggests. By age 70, about 15 percent of men have lost the Y chromosome from a proportion of their blood cells, statistician and bioinformaticist Lars Forsberg of Uppsala University in Sweden reported.

Forsberg and his colleagues made the discovery by examining the DNA of more than 6,000 Swedish men.

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