Okay.
Coffee came up as an addiction. Anything that is ingested, of course, is going into your stomach. It's going to go first to the liver, where you have a completely different process of processing chemicals than you have in the lung. This beautiful organ with thousands of miles of blood vessels is a very powerful delivery mechanism for a whole range of products, which is why inhalers are used for delivering medications.
You would be aware that your products are being used by some people for vaping marijuana, for example.