Mortality, cardiac vagal control and physical training--what's the link?

  title={Mortality, cardiac vagal control and physical training--what's the link?},
  author={Ashesh N Buch and John H. Coote and John N. Townend},
  journal={Experimental physiology},
  volume={87 4},
There is little doubt that regular exercise results in increases in life expectancy and protects against adverse cardiac events in both healthy subjects and patients with cardiovascular disease. The mechanism of action of physical training remains unclear but a variety of evidence points towards an enhancement in cardiac vagal activity protecting against lethal arrhythmias. Just how physical training increases cardiac vagal activity is an area that is ill understood but plausible mechanisms… CONTINUE READING

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