Men lose their Y chromosome as they age. Scientists thought it didn’t matter – but now we’re learning more
- Written by Jenny Graves, Distinguished Professor of Genetics and Vice Chancellor's Fellow, La Trobe University
Nathan Devery / Getty ImagesMen tend to lose the Y chromosome from their cells as they age. But because the Y bears few genes other than for male determination, it was thought this loss would not affect health.
But evidence has mounted over the past few years that when people who have a Y chromosome lose it, the loss is associated with serious...





