Guide to Quit Smoking

What do I need to know about quitting?

The US Surgeon General has said, “Smoking cessation [stopping smoking] represents the single most important step that smokers can take to enhance the length and quality of their lives.”

Quitting smoking is not easy, but you can do it. To have the best chance of success in quitting, you need to know what you’re up against, what your options are, and where to go for help. You’ll find this information here.

Why is it so hard to quit smoking?

Mark Twain said, “Quitting smoking is easy. I’ve done it a thousand times.” Maybe you’ve tried to quit, too. Why is quitting and staying quit hard for so many people? The answer is nicotine.

Nicotine

Nicotine is a drug found naturally in tobacco. It is highly addictive — as addictive as heroin or cocaine. Over time, a person becomes physically and emotionally addicted to (dependent on) nicotine. Studies have shown that smokers must deal with both the physical and psychological dependence to quit and stay quit.

How nicotine gets in, where it goes, and how long it stays

When you inhale smoke, nicotine is carried deep into your lungs. There it is absorbed quickly into the bloodstream and carried throughout your body. Nicotine affects many parts of the body, including your heart and blood vessels, your hormones, your metabolism, and your brain. Nicotine can be found in breast milk and even in mucus from the cervix of a female smoker. During pregnancy, nicotine freely crosses the placenta and has been found in amniotic fluid and the umbilical cord blood of newborn infants.

Several different factors can affect how long it takes the body to remove nicotine and its by-products. In most cases, regular smokers will still have nicotine or its by-products, such as cotinine, in their bodies for about 3 to 4 days after stopping.

How nicotine hooks smokers

Nicotine produces pleasant feelings that make the smoker want to smoke more. It also acts as a kind of depressant by interfering with the flow of information between nerve cells. As the nervous system adapts to nicotine, smokers tend to increase the number of cigarettes they smoke. This, in turn, increases the amount of nicotine in the smoker’s blood. After a while, the smoker develops a tolerance to the drug. Tolerance means that it takes more nicotine to get the same effect that the smoker used to get from smaller amounts. This leads to an increase in smoking over time. The smoker reaches a certain nicotine level and then keeps smoking to maintain this level of nicotine. In fact, nicotine inhaled in cigarette smoke reaches the brain faster than drugs that enter the body intravenously (IV).

Nicotine withdrawal symptoms can lead quitters back to smoking

When smokers try to cut back or quit, the lack of nicotine leads to withdrawal symptoms. Withdrawal is both physical and mental. Physically, the body reacts to the absence of nicotine. Mentally, the smoker is faced with giving up a habit, which calls for a major change in behavior. The physical and mental both must be addressed for the quitting process to work.

Those who have smoked regularly for a few weeks or longer, and suddenly stop using tobacco or greatly reduce the amount smoked, will have withdrawal symptoms. Symptoms usually start within a few hours of the last cigarette and peak about 2 to 3 days later when most of the nicotine and its by-products are out of the body. Withdrawal symptoms can last for a few days to up to several weeks.

Withdrawal symptoms can include any of the following:

  • dizziness
  • depression
  • feelings of frustration, impatience, and anger
  • anxiety
  • irritability
  • sleep disturbances, including having trouble falling asleep and staying asleep, and having bad dreams or even nightmares
  • trouble concentrating
  • restlessness
  • headaches
  • tiredness
  • increased appetite

These symptoms can lead the smoker to start smoking cigarettes again to boost blood levels of nicotine back to a level where there are no symptoms.

Smoking also makes your body get rid of certain drugs faster than usual. When you quit smoking, it changes the way your body handles some medicines. Ask your doctor if any medicines you take regularly need to be checked or changed after you quit.


Seven out of 10 people don’t smoke and of those who do, seven out of 10 want to give up. Health Service Food and Human Resources: Premium Tobacco Store

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