Another reason to be cautious at night!

Daytime injuries heal twice as fast as wounds sustained at night, as reported by Andy Cohglan in New Scientist, 8 November 2017, from a study published in Science Translational Medicine (DOI: 10.1126/scitranslmed.aal2774).

If you’re going to get injured, try to do it during the daytime. Wounds seem to heal twice as fast if sustained during daytime hours rather than at night.

Nathaniel Hoyle of the Laboratory of Molecular Biology in Cambridge, UK, and his team have been investigating how the time of day affects wound healing, after they discovered that genes in a type of skin cell switch on and off during day-night cycles. These cells, called fibroblasts, help close up a wound after the skin has been cut, and some of the genes whose activity varied throughout the day were ones that help control this process.

 Healing cells are more active during daytime (Vshyukova/Science Photo Library)

 Read more: Daytime injuries heal twice as fast as wounds sustained at night

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