The reporting of profitability involves two things: the amount that was earned (revenues) and the expenses necessary to earn the revenues. As you will see next, the term revenues is not the same as receipts, and the term expenses involves more than just writing a check to pay a bill.
Smoking or chewing tobacco & poor oral hygiene may contribute to the formation of a black hairy tongue. Hair does not actually grow on your tongue but gives that appearance to some degree as the filiform papillae of your tongue elongate . The use of a tongue blade daily may prevent, eliminate or control this issue. Chewing tobacco can also cause cancer which is more serious! In brief: May contribute to.
Usually these papillae are approximately 1 millimeter in length. Hairy tongue occurs due to lack of stimulation / abrasion to the top of the tongue. The result is a buildup of a protein known as keratin (the same protein that makes up the hair on your head). In severe cases, the length of these papillae can become quite long, giving a hair-like appearance to the top of the tongue (see Below and Right).