Myth: You lose most of your body heat through your head
Fact: When researchers dunked people into super cold water, they found that even when the head is submerged, it only “adds 10% to your overall heat loss.” As in, not most of your body heat. And, of course, this research comes from the University of Manitoba, where 10% of the students are yetis, probably.
Myth: Suicides spike around the winter holidays
Fact: The CDC is none too happy about this one, as they believe the misinformation might hamper prevention efforts. In fact, the rate is the lowest in December and peaks around spring and fall. Regardless of when it happens most frequently, though, suicide is still a serious health issue. It's the “10th leading cause of death for all Americans."