Life Lines Episode 17 (IMAGE) American Physiological Society Caption This is the cover for episode 17 of the APS podcast, Life Lines, entitled "Environmental Cardiology." Credit The American Physiological Society Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.