The problem with burning tobacco

3 min read
It's a well-known fact that cigarette smoking is harmful and causes serious disease. But not everyone knows why that is.
Burning match

The basic ritual of smoking is simple. 

A smoker lights a cigarette, starting a high-temperature reaction known as burning, or combustion.

The consumer draws air through the lit cigarette for a certain number of puffs, until the tobacco leaves and paper are completely burned away, leaving only the ash.

The burning of the tobacco produces a complex mixture we call smoke.


What’s in cigarette smoke?

Cigarette smoke contains flavors from the tobacco blend, as well as nicotine that exists naturally in tobacco leaves. It’s these elements in the smoke that consumers enjoy while smoking. 

However, the very same burning process that releases the tobacco flavors and nicotine also produces over 6,000 chemicals, of which about 100 have been identified as causes or potential causes of smoking-related diseases, such as lung cancer, cardiovascular disease, and emphysema. 

Why burning is the main problem

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A lit match producing smoke

Why burning is the main problem

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Why burning is the main problem

When tobacco is burnt, it can reach temperatures of around 900 degree Celsius.

It’s this extreme temperature that’s one of the problems with smoking

Burning breaks down the tobacco and produces smoke which contains more than 6,000 chemicals.

Around 100 of these chemicals have been identified by public health experts as causes or potential causes of smoking-related diseases.

Because there is no combustion in smoke-free products,

They have the potential to be better alternatives than continued smoking

*This is subject to scientific substantiation on a product-by-product basis.

The best choice any smoker can make is to quit cigarettes and nicotine use altogether.

Smoke-free alternatives are only for adult smokers who would otherwise continue smoking.

They are not risk-free and contain nicotine, which is addictive.

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For those adults who don't quit, there are better alternatives to continued smoking that don't burn tobacco

Since burning tobacco creates so many harmful chemicals, we asked our scientists and engineers to find other satisfying ways to deliver flavor and nicotine for current smokers. 

Through years of research and development, we’ve developed a new class of breakthrough products that do not rely on the principle of burning—and which we believe are a much better choice than smoking.

Since none of these products burn tobacco, they don’t reach the high temperatures needed to combust material and produce smoke. Instead, we have found several ways to produce a flavorful nicotine-containing aerosol that a consumer can inhale, but with significantly lower levels of harmful chemicals compared to the smoke of a burning cigarette.


Heated Tobacco Products (HTPs)

Our first products rely on two innovative ways to heat tobacco just enough to release nicotine and flavors, in a vapor form, without actually burning the tobacco. 

We have two products based on this heat-not-burn principle

  • One generates heat using an electric heat source that keeps the temperature of the heated tobacco unit strictly controlled. Around 18.5 million* smokers have already switched to this product and stopped smoking completely. 

  • The other uses a carbon heat source that the consumer lights. However, thanks to product development breakthroughs, the tobacco in the tobacco stick doesn’t burn. 

Products without tobacco

We have also found two other ways to deliver flavors and nicotine without using tobacco. Using nicotine extracted from tobacco leaves, they produce flavorful nicotine-containing aerosols in distinctly different ways. 

  • One heats liquid nicotine with an electric heat source to release a vapor, like an e-cigarette, but with significant improvements. Our new approach to e-vapor generation is currently being tested. 

  • The other produces an aerosol from nicotine powder without electronics.

While not risk-free, all of these breakthrough products are a better alternative to smoking—but the best choice is to quit or not to start smoking.

The difference between tobacco, smoke and nicotine

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Brazil tobacco field thumbnail

The difference between tobacco, smoke and nicotine

Title: What's The Difference Between Tobacco, Smoke And Nicotine?

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Tobacco is a plant which naturally contains nicotine.

Nicotine is addictive and not risk free.

But it is not the primary cause of smoking-related diseases.

It is the smoke produced from burning tobacco that is the main problem.

Tobacco smoke contains over 6,000 chemicals. Nicotine is one of them.

Around 100 of these chemicals are classified by public health experts as causes or potential causes of smoking-related diseases.

The best choice any smoker can make is to quite cigarettes and nicotine use altogether.

Smoke-free alternatives are only for adult smokers who would otherwise continue smoking.

They are not risk-free and contain nicotine, which is addictive.

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*As of December 31, 2022, PMI estimates that approximately 17.8 million adults around the world had already switched to IQOS and stopped smoking. IQOS user metrics reflect PMI estimates, which are based on consumer claims and sample-based statistical assessments with an average margin of error of +/-5% at a 95% Confidence Interval in key volume markets. The accuracy and reliability of IQOS user metrics may vary based on individual market maturity and availability of information.

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