Monday Links

Love explained: oxytocin is the “love hormone.”

Fewer Americans are getting Married. “Family formation is a new fault line in the American class structure.”

The odds of your outliving your life expectancy are quite good. (WSJ)

Health effects of an icy plunge: increased risk of hypothermia, arrhythmias, and heart attacks; but possible help with mental clarity, depression, pain management, and weight loss. (NYT)

Do safer football helmets and better padding induce players to engage in more reckless behavior on the field?