“Beards, Baldness, and Sweat Secretion,” Michel Cabanac and H. Brinnel, European Journal of Applied Physiology and Occupational Physiology, vol. 58, nos. 1–2, 1988, pp. 39–46. The authors, who are at Université Laval, Quebec, Canada, explain that [AIR 16:1]: “In 100 clean-shaven men direct measurement of the area of glabrous [in plain language: bald] skin on […]