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View Full Version : Secret to women's longevity is in the genes: Having two X chromosomes promotes survival, study sugge



wvwvw
12-19-2018, 01:07 AM
Secret to women's longevity is in the genes: Having two X chromosomes promotes survival, study suggests

When it comes to the secret of long life, the answer may be in your genes. Women live longer than men, a study suggests, because they are lucky enough to have two X chromosomes.

It is said that women outlive men because they have stronger immune systems

Female animals live longer and scientists believe chromosomes are significant

https://i.dailymail.co.uk/1s/2018/12/18/00/7547002-6506151-image-a-36_1545091709187.jpg
Females have XX chromosomes and males have XY. But the Y chromosome does little except create men’s masculine features, like facial hair, while the X contains many of the genes related to the brain and survival.

When scientists engineered biologically male mice to have two X chromosomes like a female, they lived longer.

Dr Dena Dubal, senior study author, from the University of California, San Francisco, said: ‘It didn’t matter if they had ovaries or testes.

'As long as they had XX, they escaped early death during ageing.’

https://www.dailymail.co.uk/health/article-6506151/Having-two-X-chromosomes-promotes-survival-study-suggests.html

Óttar
12-19-2018, 01:23 AM
They also have larger social networks because they need them for child-rearing, and they are generally more risk-averse.

StonyArabia
12-19-2018, 01:26 AM
Women live longer also because they don't do hard jobs like men do. Men do hard labour jobs most often which takes a toll on them. Men are also accepted to do a lot in society. Also men are more prone to stress, anxiety and other illness due to this factor.