Final answer:
Tobacco is a drug that has negative health effects even with moderate usage. It can cause various types of cancers, respiratory diseases, and cardiovascular problems. Smoking tobacco increases the risk of lung cancer and chronic obstructive pulmonary disease (COPD).
Step-by-step explanation:
Tobacco is a drug that has negative health effects even with moderate usage. It is known to cause various types of cancers, respiratory diseases, and cardiovascular problems. For example, smoking tobacco increases the risk of lung cancer and chronic obstructive pulmonary disease (COPD). Additionally, it can lead to addiction and negatively impact oral health.
Learn more about Negative health effects of tobacco