Sunlight is essential for optimal health and wellbeing. Aside from Vitamin D, it also triggers a cascade of favourable changes in our physiology.

Derby, Western Australia, 1983. A group of ten indigenous Australians (with type-2 diabetes) revert to an ancestral diet and lifestyle for seven weeks. The metabolic health of all participants improves—dramatically.

Water is a solvent—many things dissolve into it. Read on to see why your modern water supply needs scrutinising as much as your modern food supply does.