This is something that I have observed with my own clients over the past 16+ years, but this is the first study that has backed it up with statistics: daughters of the elderly tend to provide the hands-on basic care. I'm sure there are all sorts of theories to explain this, none of which I am qualified to blog about.
My wife and I have three sons and no daughters, so I guess we're in serious trouble.
Click here for the full MetLife study results.