Researchers have found that continuous positive airway pressure (CPAP) treatment of obstructive sleep apnea (OSA) can improve depression symptoms in patients suffering from cardiovascular diseases. Using data from the Sleep Apnea Cardiovascular Endpoints (SAVE) trial led by Flinders University, the new study has found a significant decrease in cases of depression after patients received CPAP treatment for their sleep apnea. This is by far the largest trial of its type and one of very few studies reporting such an effect, says Professor Doug McEvoy from Flinders University. From detailed analysis of the SAVE data, Flinders University experts and collaborators at...