What’s really in a cigarette?

Cigarettes are the most common form of commercial tobacco. They send nicotine to your brain in seconds, and every puff can harm your health

An illustration of a lit cigarette

What’s in a commercial cigarette?

  • Lighting a cigarette creates over 7,000 chemicals. At least 70 can cause cancer.

  • Tobacco companies add ingredients to keep cigarettes burning and make them more addictive. That smooth feeling? It’s by design. But it comes with a cost.

  • Every inhale pulls toxic gases and tiny particles deep into your lungs.

How smoking affects your health

1. Your lungs

  • Hurts lung tissue and makes it harder to breathe.
  • Can cause bronchitis, emphysema and asthma attacks.
  • Raises your risk of lung infections.

2. Your heart and blood

  • Narrows and weakens blood vessels.
  • Raises blood pressure and heart rate.
  • Increases risk of heart disease and stroke.

3. Cancer risks

  • #1 cause of lung cancer.
  • Raises your risk for cancers of the mouth, throat, bladder and more.
  • Can make cancer treatments less effective.

4. Short-term effects

  • Stains fingers and teeth.
  • Causes bad breath and dulls taste.
  • Increases coughing and phlegm.
  • Lowers your energy and immunity.

5. Long-term damage

  • Speeds up aging and weakens bones.
  • Raises your risk of type 2 diabetes.
  • Can harm fertility for all genders.
  • Shortens life by up to 10 years.

6. Secondhand and thirdhand smoke

  • Harms others, even if they’ve never smoked.
  • Raises heart disease and cancer risks in non-smokers.
  • Worsens asthma in children.
  • Linked to sudden infant death syndrome (SIDS).
  • Thirdhand smoke clings to clothes, furniture and walls and can still cause harm.

Tools to help you quit

A Guide to Becoming Smoke-Free (2022)

This guide shows you how to quit smoking or vaping with tips for:

  • Managing cravings.
  • Coping with withdrawal.
  • Building a quit plan that lasts.

Download the guide to becoming smoke free.

Ready to quit?

The Quitpath program offers free support, resources, and cessation aids to help you leave smoking behind.