How do they account for the food-type variable? Some generate more stinky farts than others. What is the marker chemical that defines what is stinky? A smell is in the nose of the beholder.

20 hours ago, StringJunky said:

How do they account for the food-type variable? Some generate more stinky farts than others. What is the marker chemical that defines what is stinky? A smell is in the nose of the beholder.

But there’s a limit to what chemicals are typically there. I was under the impression sulfur compounds were the primary cause, with hydrogen sulfide being the most common culprit