Usually, it just means the vapor is too hot, too harsh, or just not a great match for your throat
A comparison of antibody responses to Admune inactivated influenza vaccine in serum and respiratory secretions of healthy non-smokers, healthy cigarette-smokers and patients with chronic bronchitis
:D Hopefully your goats will be good in a day or two and won't need to be dewormed again for a while
Resource:
Fermentation of Tobacco The fermenting of tobacco leaf has for its principal objects, (1) the removal of acrid matters, (2) the fixing of the color, and (3) the production of flavor
section 3(1) of the Federal Cigarette Labeling and Advertising Act As used in this chapter (1) The term "cigarette" means (A) any roll of tobacco wrapped in paper or in any substance not containing tobacco, and (B) any roll of tobacco wrapped in any substance containing tobacco which, because of its appearance, the type of tobacco used in the filler, or its packaging and labeling, is likely to be offered to, or purchased by, consumers as a cigarette described in subparagraph (A)