Smoking is an addiction caused by nicotine in tobacco that produces illnesses harmful to health, such as respiratory diseases, cardiovascular diseases, cancers, and issues during pregnancy. It not only harms smokers but also passive smokers who breathe the same air. The World Health Organization states tobacco is the leading cause of disability and premature death worldwide, and the US Department of Health classified nicotine as addictive in 1988, as cigarettes and tobacco create dependence through mechanisms similar to cocaine and heroin addiction.

2. Smoking is the addiction to smoked tobacco, caused
mainly by one of its most active components: nicotine.
The habitual consumption of tobacco produces illnesses
that are harmful to the health of the person who uses it.

3. It causes respiratory and
cardiovascular diseases, different
types of cancer, and is especially
harmful during pregnancy. In
addition, it not only harms smokers,
but also those who breathe the same
air (passive smokers).

5. According to the World Health Organization, tobacco is the leading cause of
disability and premature death in the world.
In 1988, the United States Department of Health classified nicotine as an
addictive substance.
Cigarettes and other tobacco derivatives generate dependence by a
mechanism similar to that of addiction to drugs such as cocaine and heroin.