As time goes on, of course, these people will be succeeded in the population by people born after 1900, a larger number of whom have been smokers
Charles Peterson & the System Pipe's Practical Origins To understand Peterson's System and how it was intended to work, we need some context, in particular regarding its creator, Charles Peterson
Lets go a little deeper
The Interaction Between Smoking, Alcohol and the Gut Microbiome

The main species of products we are dealing with are cassia/cinnamon,star anise,galangal root,dry ginger whole,paprika pod,cumin,white pepper,fennel,ginseng,ginger slice,garlic flake/granule,chicken essence,MSG,paprika powder,garlic powder,ginger powder,onion powder,cassia powder,walnut,macadamias,goji berry,raisin,sunflower seeds,pumpkin seeds,garlic, ginger,onion,carrot,chestnut, apple,pear,pomelo, non-dairy creamer,etc.Today, our products can be found easily in the markets of Japan,Korea,Pakistan,Nepal, Vietnam,Thailand,Malaysia,Singapore,Indonesia,the Philippines, Saudi Arabia, UAE,Iran, Yemen, Oman, Qatar,Bahrain, Kuwait, Iraq, Syria, Lebanon, Jordan, Israel, Morocco, Algeria, Libya, Tunisia,Egypt, Gabon,Equatorial Guinea,Congo,Sudan, Ethiopia, Kenya, Tanzania, Zambia, Russia, Spain, France, UK,Poland, Italy, Greece, Turkey, Azerbaijan,Georgia, Romania, Hungary, Nicaragua, Ecuador,etc.At present, we have 10 excellent factories with processing and export qualification in China, for long-term and stable cooperation

But the mix of chemicals in wildfire smoke can differ depending on the type of vegetation burning