Stretching and mortality, correlation and causation [3m]

There is still no evidence that stretching will make you live longer, despite what you may have heard — even if you heard it from a trusted source. This idea is the result of a classic example of muddling correlation and causation. Steven Novella, in a recent post for ScienceBasedMedicine.org, made it clear that “ the data is in, exercise is good for you .” He particularly emphasized that it…