Marijuana contains no known cancer causing agents.
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Marijuana smoke contains many of the same cancer-causing chemicals as tobacco smoke, but generally in lower concentrations. However, because marijuana smokers tend to inhale more deeply and hold the smoke in their lungs longer than tobacco smokers, they may be exposed to more harmful chemicals. More research is needed to fully understand the long-term health effects of marijuana smoke.
Cigarettes contain over 7,000 chemicals, including at least 250 known to be harmful, with more than 60 being recognized as carcinogens. Some of the chemicals in cigarettes include nicotine, tar, carbon monoxide, formaldehyde, ammonia, and hydrogen cyanide.
Cigarettes contain thousands of chemicals, including nicotine, tar, carbon monoxide, and various carcinogens. Some estimates suggest there are over 7000 chemicals in cigarette smoke, many of which are harmful to human health.
Cigarettes contain over 7,000 chemicals, including at least 69 known to cause cancer. These chemicals include various toxic substances such as tar, nicotine, carbon monoxide, and formaldehyde.
Cigarettes contain chemicals to enhance the addictive properties, flavor, and burning characteristics. These chemicals can also act as preservatives and fillers in tobacco products. The presence of these chemicals contributes to the harmful health effects of smoking.
E-cigarettes typically contain nicotine, propylene glycol, glycerin, and flavorings. Some devices may also contain trace amounts of other chemicals present in the e-liquid or produced during the heating process.