VAP risk index: Early prediction and hospital phenotyping of ventilator associated pneumonia using machine learning ScienceDirect Is this a problem with my pod? My juice keeps going dark really quickly and it tastes horrible. I know it can go brown through oxidation but I've read that shouldn't affect Ventilator associated events: From surveillance to optimizing management ScienceDirect Why Does Vape Juice Turn Brown? Removal of chlorhexidine for Ventilator Associated Pneumonia preventio JMDH Dove Medical Press HELP! My liquid turns Brown after some time, why?? (It's a clear liquid normally..) : r Vaping