Give birth to Boys will shorten the life of their mother?

   The study found that if women had a son, on average, than mothers who have daughters less live eight and a half months; Meanwhile, the child sex but then the child has no effect on the life expectancy of the father. The researchers said that this reflects the female children will be short-lived line with biological theory. One theory is that when women cherished baby boy, higher testosterone levels in the body, which causes the immune system weakens. Moreover, male fetuses in the womb grow faster, but also to bring greater burden on the mother's body. (Ray Ban Wayfarer II Sunglasses)

   Dr. Samuly Heller and his leadership team at the University of Turku, Finland, studied the country's Lutheran church records a total of 17 to 20 century, 11,000 children born after the mother's life data, and concluded: a there are six sons mother, a child born after the last live for 32.4 years; just given birth to a daughter and a mother, you can live another 33.1 years.
 
   He explains: "Research shows that you were born son, the more short postnatal life, which is consistent with biology, because he was born a boy than a girl born consume more, this is a boy will be short-lived one kind of explanation when the children grow up, social and cultural reasons may also have an impact, mainly reflected in her mom know how to help. "

                                           
                                                 The author: Michael