35 Photos That Show Reasons Why Women Live Longer Than Men

One major physiological factor is that women suffer less oxidative stress, says Dr Kaysar Mamun​, Senior Consultant at the Department of Geriatric Medicine, Singapore General Hospital (SGH), a member of the SingHealth group. Oxidative stress generates free radicals. “Some scientists believe that free radicals can lead to cell damage, which is one of the underlying mechanism of ageing,” explains Dr Mamun.