EP226: Dog Therapy and Exercise vs Fish Oil

Welcome to my podcast. I am Doctor Warrick Bishop, and I want to help you to live as well as possible for as long as possible. I’m a practising cardiologist, best-selling author, keynote speaker, and the creator of The Healthy Heart Network. I have over 20 years as a specialist cardiologist and a private practice of over 10,000 patients. Podcast Summary Introduction: Dr. Warrick Bishop is a practicing cardiologist and author dedicated to educating patients about heart health, believing that informed patients receive better care. In this episode, he discusses two recent research studies: one examining dog therapy in emergency departments and another investigating exercise and fish oil supplementation for men at high risk of heart failure. Key Takeaways: A randomized controlled trial from Saskatchewan, Canada demonstrated that just 10 minutes of dog therapy in emergency departments produced clear, measurable reductions in pain and anxiety compared to standard care (100 patients in each arm). Animal-related therapies like dogs and cats show growing evidence of helping patients alleviate anxiety, fears, and concerns, with potential applications beyond emergency departments to hospital wards, day units, and chemotherapy suites. A University of Texas study found that high-intensity interval training significantly improved physical capacity and VO2 max in overweight, hypertensive men at risk for heart failure, but did not result in weight loss. Exercise alone, without dietary changes, is unlikely to produce weight loss even though it provides important cardiovascular benefits; addressing diet is essential for weight management. Fish oil supplementation (1.6 grams of omega-3 fatty acids) showed no measurable benefits in the study, though fish oil may be beneficial for high-risk cardiac patients and those with elevated triglycerides when using specific EPA subfraction. The research supports the principle "sweat it out, don't pill it out"—lifestyle modification through exercise and diet is more effective for high-risk heart failure patients than pharmaceutical supplementation alone.