1 doctor weighed in:

Is most of my body heat lost through my head in cold air?

1 doctor weighed in
Dr. Matheson Harris
Ophthalmology

In brief: Not quite, but

A quarter of all blood flow goes to the brain, so the head definitely is a place where significant heat transfer can take place.
Wearing a hat in the cold will prevent a significant amount of heat loss.

In brief: Not quite, but

A quarter of all blood flow goes to the brain, so the head definitely is a place where significant heat transfer can take place.
Wearing a hat in the cold will prevent a significant amount of heat loss.
Dr. Matheson Harris
Dr. Matheson Harris
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