18 April 2018

“The Best Disinfectant Is Sunlight”, blog post by Richard Hobday

“We spend, on average, more than 90% of our time indoors. Most of this time is now spent in our homes. The impact of such behavior on our health is largely unknown. But we do know that lighting levels inside houses are much lower than those outside – unless our homes let in the sun.

Without the time-cues given to us by the sun, the underlying rhythms of many biological processes in our bodies can become disturbed. Light levels indoors these days are not usually high enough to keep us fully synchronized. Health problems may follow. Disruption of these internal rhythms is known to increase the risk of depressive illness. It may also do the same for other serious conditions, such as obesity, cancer, heart disease and bone disorders. Significantly, these illnesses are also strongly linked to another hazard that living indoors brings with it: vitamin D deficiency. […]”