The Sun and the rhythm of light
How the solar spectra of dawn, noon, and dusk coordinate cell biology and vitamin D
The power of the sun
How sunlight acts on human biology: hormones, rhythms, defenses and repair.
7 articles
The invisible link between the sun and the gut microbiota
How UVB radiation switches on receptors that reinforce the intestinal barrier and tune immunity
The cellular response to light
Lipid peroxidation, internal photoprotection and a practical guide to eating: from the armour of grass-fed fat to the danger of industrial oils
The problem with the modern eye
The visual toll of modern life, and the scientific evidence on how the sun restores the metabolism of vision
The physiology of dawn
Why the sunlight you meet on waking is the biochemical signal your body needs to oxidise fat efficiently
Sunlight against H. pylori
How UVB radiation and vitamin D3 switch on the natural defenses that fight this gastric pathogen
The heart in the skin
How ultraviolet radiation releases the skin's nitric oxide to regulate blood pressure and fight cardiovascular risk
