Male smokers are three times more likely than non-smoking men to lose their Y chromosomes, a new study has found.
The research may explain why men develop and die from many cancers at disproportionate rates compared to women.
A recent study found an association between Y chromosome loss and a shorter life span, as well as a higher risk of multiple cancers.
In a study in the journal Science, researchers at Sweden’s Uppsala University found that Y chromosomes, which are important for sex determination and sperm production, more often disappear from blood cells of smokers than those of men who have never smoked or of men who have kicked the habit.
Since only men have Y chromosomes, the findiRead More Smoking Can Erase The Y Chromosome In Men