Weight Loss Surgery St. David’s HealthCare is a recognized leader in weight loss surgery, also known as bariatric surgery. Medical Services > Weight Loss SurgeryText size: A- A+ Services Health Library Locations News, Events & Classes Our comprehensive weight loss programs offer informational seminars, preoperative evaluations and education, and state-of-the-art surgical alternatives, with extensive aftercare and post-surgical support. Are you at risk? Prevent & protect. Discover your heart's age Estimate your risk of Breast Cancer What contributes to back and neck pain?