Vape smoke

First and foremost, it is essential to clarify a crucial fact: The e-cigarettes do not produce "water vapor", but rather an aerosol that contains a variety of harmful and potentially harmful substances.
??️ The true identity of "smoke": Aerosol
E-cigarettes generate aerosol for users to inhale by heating the e-liquid (or called electronic liquid). There is no combustion during this process, so it does not produce the traditional "smoke", but the aerosol produced is definitely not harmless water vapor.
?? What's in the smoke?
The components of e-cigarette aerosol are far more complex than "water vapor", and may contain over 200 different chemicals. The known harmful or potentially harmful substances mainly include:
Nicotine: A highly addictive chemical substance that is harmful to the development of a teenager's brain and can cause an increase in blood pressure and heart rate, thereby increasing the risk of heart disease. Even products labeled as "free of nicotine" may actually contain it upon actual testing.
Carcinogens: These include formaldehyde, acetaldehyde, etc. When the base substances of e-liquids such as propylene glycol and glycerol are heated, they may also produce carcinogens like formaldehyde.
Heavy metals: such as nickel, tin, lead, etc. These particles may come from the heating elements of the equipment.
Ultrafine particles: Can be inhaled deep into the lungs.
Volatile Organic Compounds (VOCs): For instance, benzene, is carcinogenic.
Flavoring agents: Some flavoring agents, such as diacetyl, are associated with a serious lung condition known as "popcorn lung" when inhaled. It should be noted that flavoring agents that are safe to consume may not be safe to inhale.
⚕️ What are the health risks?
Lung damage: It may lead to chronic coughing, bronchitis, asthma, etc. In severe cases, it can cause EVALI (E-cigarette or vaping product use-associated lung injury), which is a life-threatening disease.
Cardiovascular effects: Substances such as nicotine can raise blood pressure, cause arteriosclerosis, and increase the risks of heart attack and stroke.
Other health issues: Also include nicotine addiction, throat irritation, coughing, dizziness, headache, and nausea.
Special risks for teenagers: Nicotine can damage brain development (lasting until around the age of 25), affecting attention, learning, memory and mood. Moreover, teenagers who use e-cigarettes are three times more likely to start smoking in the future.
Effects on pregnant women and fetuses: Nicotine is harmful to the developing fetus and can affect the fetal brain development.
The risks of second-hand aerosols: The "second-hand smoke" from e-cigarettes is also harmful. People in the vicinity will also inhale harmful substances such as nicotine and ultrafine particles.
?? Summary
In conclusion, the "smoke" produced by electronic cigarettes is a complex mixture containing various harmful substances such as nicotine, carcinogens, and heavy metals. It can cause damage to the lungs and cardiovascular system, and pose an addiction risk.