Dr. Purser's firm belief is everyone needs preventive medicine, they just don't know it yet. Most won't ever know they need it because they'll die prematurely. Don't be like most. Dr. Purser believes in the biological age reduction benefits of certain therapies such as modern Hormone Replacement Therapy, emphasizing natural replacements as first and foremost. Through these therapies, Dr. Purser believes that you can unwind diseases once thought intractable.