‘Spectral Diet’ for Humans
Patterns of light exposure in the real world are inherently messy.
CONSUMING SUNLIGHT REQUIRED FOR NATURAL HEALTH
- Light has a fundamental role in regulating rhythms in physiology and behaviour, as well as in the acute secretion of hormones such as melatonin and changes in alertness.
- Light exposure at short-time, medium-time and long-time scales has different effects on these visual and non-visual functions.
- We move in and out of buildings and are therefore exposed to mixtures of artificial and natural light.