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Have you ever been told that you loose most of your body heat through your head? Or maybe you're the one doing the telling! Is it true? Let us know in the comments below.

Useful resources:

1957 study on heat-loss from heads: Gerald Froese and Alan Burton (1957) Heat Losses from the Human head. J. Appl. Physiol 10:235-241. http://jap.physiology.org/content/10/2/235.abstract

Rachel Vreeman (2008) Festive medical Myths. British medical Journal. http://www.bmj.com/content/337/bmj.a2769 [Highly sited source debunking the 70% myth]

Ian Sample (2008) Scientists debunk the myth that you lose most heat through your head. Guardian Newspaper. http://www.guardian.co.uk/science/2008/dec/17/medicalresearch-humanbehaviour