The real reason women live longer than men
For the first time since 1993, American life expectancy has decreased, according to a new report from the National Center for Health Statistics (NCHS), a division of the Centers for Disease Control and Prevention (CDC). This downward trend comes despite the development of life-saving medications like those used to treat HIV, which was the leading cause of death for people age 25 to 44 in 1993.
The NCHS study showed that Americans could expect to live for 78.8 years, down 0.1 from the year before. When you look at life expectancy along gender lines, you see a slowly widening chasm — the difference in life expectancy between women and men increased from 4.8 years in 2014 to 4.9 years in 2015. Women outliving men is not a new phenomenon. In fact, it might be the key to women staying alive, according to the current World's Oldest Person, Italian-native Emma Morano, who attributes her old age to ditching her husband back in 1938. While there is no scientific proof being single leads to long life, there are several scientific reasons why women tend to outlive their male counterparts. Here are a few.