Final answer:
True, cigarettes do contain monoamine oxidase inhibitors, which can enhance the addiction to nicotine. Tobacco smoke contains various toxic substances like nicotine, tar, and carbon monoxide, affecting many bodily systems beyond just the cardiovascular and respiratory systems.
Step-by-step explanation:
True, cigarettes do contain substances that can act as monoamine oxidase inhibitors (MAOIs). MAOIs in tobacco smoke can contribute to the addictive nature of smoking. These inhibitors can enhance the addictive properties of nicotine, although they are not as potent as the MAOIs used in prescription medications for depression.
Regarding other chemicals, tobacco smoke contains a multitude of toxic substances. Three toxic chemicals that can be found in tobacco smoke include nicotine, which is highly addictive, tar with carcinogenic properties, and carbon monoxide which can lead to cardiovascular diseases.
It is a widely debated topic whether nicotine is more addictive than heroin. Some studies suggest that nicotine may be as addictive, if not more, due to its widespread availability and the fact that it can be legally consumed. However, addiction potential can be subjective and vary from person to person.
As for the health effects, smoking has deleterious effects on not just the respiratory and cardiovascular systems but many other systems in the body as well. It can cause issues in the reproductive system, contribute to the development of type 2 diabetes, and negatively impact the immune system, among other health concerns.