Most patients are convinced that there is a link between weather patterns and how their muscles and joints feel. This belief almost certainly pre-dates the ancient Greeks (one of whom, Hippocrates, believed it too).
Strictly speaking, in medical parlance, we should use the term to distinguish new pains or problems from old ones.
This article – written in 2002 – is an overview of the technical issues involved in the use of HVT.
Sleep is now seen as so fundamental to health that I’m beginning to think that the ability to sleep well is truly the ‘secret sauce’.
Climbing is a superb example of primal exercise – the entire body is used in a highly integrated and ‘brain-gym’ type of way to combat gravity.