"Born in an Unlucky Season"

I was born in December:

[N]ew research by a pair of University of Notre Dame economists suggests that some of us are ... born in an unlucky season. ... Kasey Buckles and Daniel Hungerman point out that a large body of previous research consistently has found that people born in December, January and February are, on average, less educated, less intelligent, less healthy and lower paid than people born in other seasons. ...