Nicotine is the substance in tobacco which reinforces and strengthens the desire to smoke. Sot weed, coffin nails, butts, squares, smokes, cancer sticks. Plant leaves processed into cigarettes, cigars, pipe or rolling tobacco, or smokeless products. Nausea and dizziness with first use. Decrease in appetite.
Tobacco can act as both a stimulant and a depressant.
Smokers are more likely than nonsmokers to contract heart disease, as well as lung, mouth, throat, esophageal, bladder, pancreatic, and kidneys cancers. Chronic, obstructive lung diseases such as emphysema and chronic bronchitis are10 times more likely for smokers than nonsmokers. Pregnant smokers risk spontaneous abortion, preterm birth, low birth weight, and fetal or infant death. Nervousness, restlessness, sleep disturbance, sweating, reduced heart rate and blood pressure, inability to concentrate, compulsive eating, headaches, severe irritability, nicotine craving. It has been said that tobacco in the form of cigarettes is the most addictive substance on earth.