Tag: Thomas Petty

This letter by the late Dr. Thomas Petty was published on the PERF2ndWind website in August of 2005, and the advice he offered then is as valid today as it ever was. Read on: By Thomas Petty, MD PERF Executive Vice President Dear Friends – The aging process is of great interest to scientists and to all of us. The process is complex, a function of all higher animals. There is an internal "clock" that determines the length of life for all spec