Some of the other cancer-causing agents found in chewing tobacco are formaldehyde, acetaldehyde, arsenic, benzopyrene, nickel, and cadmium
Electronic cigarette exposure and liver disease Electronic nicotine delivery systems (ENDS), commonly known as e-cigarettes or vaping devices, have gained widespread popularity, particularly among adolescents and young adults, due to the perception that they are safer than conventional cigarettes [117]
Therefore, one pack of 20 cigarettes results in about 2236 mg of nicotine absorbed into the body
Moreover, some brands contain formaldehyde, which is a probable human carcinogen
But he fears the respiratory risks of marijuana smoking aren't fully known