Blue Monday originated from a publicity stunt, but seasonal affective disorder is a real affliction that affects millions of people. There are ways to treat it.

As the winter chill deepens and the skies take on a perpetual gray hue, many Canadians find themselves struggling with seasonal affective disorder. Blue Monday — the "most depressing day of the year" — is looming on the horizon, and it's important to know how to navigate the emotional challenges that accompany this season.

The third Monday of each January has been dubbed "Blue Monday," known as the most depressing day of the year. But is this actually the case?