No Smoking Day | What Happens after Quitting Smoking?

No Smoking Day

This article is related to “No Smoking Day”: When you quit smoking, what happens next?

What is smoking?

Tobacco is burned in order to be inhaled or tasted by those who smoke it.

Tobacco is smoked in a variety of ways:

No Smoking Day | What Happens after Quitting Smoking?
CigarettesA roll of paper with tobacco inside. You can either buy pre-made cigarettes or make your own. Smoke is inhaled when a cigarette is smoked.
CigarsCigars that are wrapped in a tobacco leaf or tobacco-based paper.
PipesTobacco that is smoked in a pipe with loose leaves of tobacco.
What is smoking?

When it comes to premature death and disease in Australia, tobacco use is the leading preventable factor. It:

Even if you don’t inhale the smoke, your second-hand smoke affects the health of those around you. Decide to quit smoking on No Smoking Day.

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What happens when you give up smoking?

What happens when you give up smoking?
What happens when you give up smoking?

In the United States, smoking is a leading cause of preventable death, but quitting is difficult.

Many people believe that it will take a long time to see positive changes in health and well-being, but this is not the case.

Benefits to health can be felt as soon as an hour after the last cigarette is smoked, and they only get better over time.

Facts About Quitting Smoking

The following are some of the most important things to know when trying to quit smoking. In the main article, you’ll find more details and supporting information.

  • Breaking the cycle of addiction and rewiring the brain to no longer crave nicotine are the two most important aspects of quitting smoking.
  • Smokers who want to quit need a strategy for dealing with cravings and triggers if they hope to be successful.
  • Quitting smoking can have positive effects as soon as the first cigarette is extinguished.
  • As soon as a smoker gives up their habit, their risk of developing cancer, heart and lung disease, and other illnesses is reduced.

In many cases, the positive effects can be seen almost immediately. There are many physical and psychological benefits to quitting smoking. Decide to quit smoking on No Smoking Day.

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The advantages are almost immediate. Stopping smoking immediately causes the following changes in the body:


After one hour,

Even after just 20 minutes, the heart rate returns to normal after quitting smoking. Blood pressure begins to fall and circulation may begin to improve as a result of this process.

At the end of a 12-hour period

Carbon monoxide, a gas found in cigarette smoke, is one of many known toxins in cigarettes.

High concentrations of this gas can be lethal, as it blocks oxygen from reaching the lungs and bloodstream. Suffocation from a lack of oxygen can occur when large doses are quickly inhaled.

It takes just 12 hours for the body to rid itself of the excess carbon monoxide it had accumulated as a result of smoking cigarettes. As the level of carbon monoxide returns to normal, the body’s ability to utilise oxygen increases.

One day later

The risk of a heart attack begins to decline as soon as one day after quitting smoking.

Cigarette smoking raises the risk of coronary heart disease because it lowers good cholesterol, which makes heart-healthy exercise more difficult. Soaring blood pressure and an increased risk of blood clots are also associated with smoking. Decide to quit smoking on No Smoking Day.

There is a reduction in the risk of heart disease caused by smoking-induced high blood pressure in people who quit within the first day. A person’s oxygen levels will have risen in this short time, making exercise and physical activity more enjoyable and encouraging heart-healthy habits.

Two days later,

It is well known that smoking has a detrimental effect on the nerve endings that are responsible for our sense of smell and flavour. As the nerves in the mouth and nose repair themselves, a person who has just quit smoking may notice an improved sense of smell and taste in as little as two days.

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Three days later

The body’s nicotine supply is depleted three days after a person quits smoking. While it is better for the body to have no nicotine in it, nicotine withdrawal can occur as a result of this initial depletion. Mood swings, headaches, and cravings are common for 3 days or so after quitting. This is due to the body’s attempt to readjust.

One month later

A person’s lung function can begin to improve in as little as one month. People who have quit smoking may experience less coughing and shortness of breath as their lungs heal and improve their capacity to breathe. Decide to quit smoking on No Smoking Day.

Ex-smokers may notice an improvement in their cardiovascular fitness, such as running and jumping, as their athletic endurance improves.

After a period of one to three months

Circulation continues to improve for several months after quitting.

9 months later

The lungs have made significant progress in the nine months since quitting. Cilia, the tiny hair-like structures in the lungs, have recovered from the damage cigarette smoke inflicted on them, reports the New York Times. These organs aid in the removal of phlegm from the lungs and in the fight against infection.

At this time of year, many people who quit smoking report less frequent lung infections because their cilia are now healed.

One year later

A person’s risk of coronary heart disease is cut in half after a year of quitting smoking. After a year, this risk is expected to decrease even further.

After a period of five years

Toxins in cigarettes cause narrowing of the arteries and blood vessels. In addition, these toxins can cause blood clots to form. Decide to quit smoking on No Smoking Day.

After five years of abstaining from smoking, the arteries and blood vessels have healed enough to reopen. This widening reduces the chance of blood clots causing a stroke.

Over the next ten years, the risk of stroke will continue to decrease as the body continues to heal.

After a decade of hard work.

Compared to someone who does not smoke, a person’s 10-year risk of developing lung cancer and dying from it is cut in half. Mouth, throat, and pancreatic cancer risk have all decreased significantly in recent years.

15 years later

For the first 15 years after quitting smoking, coronary heart disease risk is the same as that of a non-smoker. Non-smokers’ chances of developing pancreatic cancer have also decreased.

After two decades,

Tobacco-caused death rates drop to those of a person who has never smoked in their entire life after 20 years of abstinence. A person who never smokes has a lower risk of developing pancreatic cancer than if they had ever used tobacco in the first place.


If you smoke, you’re putting yourself at risk for a variety of health issues and even death. It is natural for the body to begin healing and regaining the vitality it had prior to smoking.

There are some immediate effects, such as lowered blood pressure, that can be seen. While the risk of developing lung cancer and heart disease decreases over time for ex-smokers, the risk of developing lung disease does not. Decide to quit smoking on No Smoking Day.

However, quitting smoking is an excellent choice for anyone who has started the habit because it reduces risks and improves overall health with each passing year.

  1. What is smoking and tobacco? | Australian Government Department of Health. (n.d.). Retrieved March 8, 2022, from
  2. What happens after you quit smoking? A timeline. (n.d.). Retrieved March 8, 2022, from