Carbon Monoxide is generally created when combustibles burn. It is not known to cause cancer, although carbon monoxide poisoning can have many symptoms and can cause loss of consciousness and death.
See this article at the Centers for Disease Control and Prevention:
http://www.cdc.gov/co/faqs.htm
Carbon monoxide
its not healthy because carbon monoxide and lung cancer.
It became required by law after studied proved that cigarette smoking is harmful.
Smoking is one cause of lung cancer.
Lung Cancer has surpassed breast cancer as the leading cause of cancer deaths in women.
A bad catalytic converter itself does not directly cause lung cancer; however, it can lead to increased emissions of harmful pollutants, such as carbon monoxide, nitrogen oxides, and unburned hydrocarbons. Prolonged exposure to these toxic substances can contribute to respiratory issues and potentially increase the risk of developing lung cancer over time. It's important to address any issues with a catalytic converter to minimize exposure to harmful emissions.
The three most harmful chemicals in cigarette smoke are nicotine, tar, and carbon monoxide. Nicotine is highly addictive, tar is a carcinogen that causes lung cancer, and carbon monoxide reduces the amount of oxygen that your blood can carry.
nicotine ashes and lung cancer.
Lung cancer.
Some times it can cause lung cancer
Smoking is not the only cause of lung cancer.
SMOKING