Having a boy really IS tougher! Brains age quicker in parents who have sons, scientists find

A study of more than 13,000 over-50s in the US found that parents with at least one son experienced a quicker cognitive decline, compared to those without a son.A study of more than 13,000 over-50s in the US found that parents with at least one son experienced a quicker cognitive decline, compared to those without a son.Read MoreHealth News | Mail Online