I have been told by a neurologist that I have a Parkinson’s tremor but not full-blown Parkinsons. I also have a total loss of smell but everything I eat still tastes the same as always. I was a truck driver and over a 20-year span of that, I probably loaded, hauled and unloaded an average of 15 loads of anhydrous ammonia fertilizer (NH3) per week. I never thought much about the loss of smell being unusual with that much NH3 exposure until the Parkinsons connection. I would like to know more about whatever my problems are. I sat here running numbers through my calculator wondering how I can still register 95 or more on an o2 meter at age 79.