"Putting the entire population on vitamin D supplements would be too expensive for the country’s national health service, he told me."
This seems absolutely bonkers. Vitamin D is dirt cheap, and if you can think at all beyond first-order effects, the improvement in immune health alone would likely pay for itself in terms of cost to the healthcare system.
This seems absolutely bonkers. Vitamin D is dirt cheap, and if you can think at all beyond first-order effects, the improvement in immune health alone would likely pay for itself in terms of cost to the healthcare system.