's a direct link between feelings of well-being and running, and for the first time this study proves the physiological mechanism behind that," explains study coordinator Professor Henning Boecker. The mind-body connection doesn't stop there; stress
," says Horne. "It's necessary to build and repair muscles and bones, and it causes us to use more fat for fuel." Loughborough University studies revealed that when sleep is restricted over several nights, HGH release is markedly reduced. "Without
Horne from the Sleep Research Centre at Loughborough University. Getting enough shut-eye can also ward off 'effort headaches'. A 1999 study found that distance runners suffered twice as many headaches as non-runners – most likely due to the dilation
