It also can make the gums recede or move back. This leaves teeth exposed to more decay and means more trips to the dentist. The tobacco chewer or dipper will lose much of his sense of taste. He has trouble tasting foods that are bitter, sweet or salty. Nicotine is found in all forms of tobacco.
Nicotine causes the user to feel good for a very short time.
When the nicotine wears off, the chewer or dipper feels let down. Once the nicotine user is addicted, he must have more tobacco every 20 to 30 minutes to maintain a normal feeling. At this point, he is addicted to the nicotine. Nicotine also causes the blood vessels to get smaller. The heart begins to pump harder and faster to get the blood through the narrow vessels.