Our body should have >0 capacity to cleanup the toxins absorbed. Considering we shed billions of cells every day and generate replacement for them. So the smoke

Our body should have >0 capacity to cleanup the toxins absorbed. Considering we shed billions of cells every day and generate replacement for them. So the smoke absorbed from blowing the candle may be exhaled/shit/farted sometime before next candle. Also, one thing these stats miss/don't bring out is the quality of life. e.g. living in Delhi may reduce your life only by 3 years, but may substantially impact health in the last 15 years of your life.