MY HUSBAND WORKED IN A BRASS MAKING/MELTING FACTORY WHERE THE AIR QUALITY WAS AWFUL THE WHOLE 30 YRS. HE WAS THERE. ENOUGH THAT IT AFFECTED HIS LUNGS WITH SCAR TISSUE. START OF PD? NOW THAT WE LOOK BACK, IT MUST HAVE STARTED RIGHT AFTER HIS SURGERY FOR PROSTATE CANCER...1 1/2 YEARS AGO. HE WASN'T DIAGNOISED UNTIL 2 MONTHS AGO. NO PD IN FAMILY. NOT IN VIET NAUM. HOPE THIS HELPS IN YOUR SURVEY. OOPS SORRY ABOUT THE ALL CAPS...NOT AWAKE YET..HA.HA.