Being a man has always been dangerous.There are about 105 males born for every 100 females, but this ratio drops to near balance at the age of maturity, and among 70-year-olds there are twice as many women as men.

• 译：做男人总是充满危险，出生时男女比例大约是105:100，但到了成熟期，这一比例几乎持平，而在70岁的老人中女性是男性的两倍。