Til brukere av hormonkrem: Chronobiology and rhythms of the skin

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Les Chronobiology and rhythms of the skin

Many skin functions exhibit chronobiological patterns and in particular circadian rhythmicity has been studied to a greater extent. Skin seems to be more reactive towards late afternoon and evening than mornings and early afternoon. This article will give a short overview on chronobiology and examples of chronobiological effects on skin will be described.

Time affects virtually all aspects of our being and is the basis of the underlying rhythmicity which is typical of our lives. To "tell time," most living organisms use internal timing mechanisms known as "biological clocks", many of which are set according to the solar day. These "clocks" coordinate our physiological and behavioral functions with our environment. They signal when to wake, when to sleep, when to eat, they govern when we to go to work or when to school, etc. The study of these temporal biorhythms has been coined chronobiology. This article will give a short overview on chronobiology and examples of chronobiological effects on skin will be described.