Welcome to my website.   This site is intended for use by my students and those who may have attended my presentations. Medical educators are welcome to use the material within my site and should feel free to request a copy of the power point slides associated with any of the talks. This site is not intended to be used for personal health reasons.  The information contained herein is not updated and the concepts may be condensed or modified owing to constraints of time or context.  Please visit a health professional if you have personal health questions. Please review my disclaimer. Regards, J Schaefer jpschaef@ucalgary.ca Jeffrey P Schaefer MSc MD FRCPC FACP General Internist, Clinical Associate Professor, and Director, Internal Medicine Residency Program University of Calgary