Artificial illuminance

Artificial illuminance is associated with frailty in humans (aOR > 1).

“Artificial illuminance in the second quartile was positively associated with couple frailty compared to the top quartile (aOR > 1; P < .05).”

Humanscouple analysissecond quartile compared with top quartile

Association between home environment characteristics, indoor dust microbiota and frailty among community-dwelling older adult couples

Age and ageing·30 Oct 2025