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- People who stop smoking are not likely to experience a worsening in their mood long-term, whether they have a mental health condition or not. They may also experience improvements in their mental health, such as reductions in anxiety and depression symptoms.
www.cochrane.org › CD013522 › TOBACCO_does-stopping-smoking-improve-mental-health
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Does quitting smoking improve mental health?
Does smoking affect mental health?
Why do people quit smoking?
Sep 9, 2023 · Scientists have found that quitting smoking improves symptoms of some mental health conditions, including depression. People find that their mood improves after they quit smoking. They also...
May 31, 2023 · Smoking Cessation and Changes in Anxiety and Depression in Adults With and Without Psychiatric Disorders | Psychiatry and Behavioral Health | JAMA Network Open | JAMA Network. Table 1. Baseline Characteristics by Smoking Status at 24-Week Follow-up. View LargeDownload. Table 2.
However, studies have shown that smoking may have a negative impact on people's mental health, and stopping smoking could reduce anxiety and depression. Why we did this Cochrane Review. We wanted to find out how stopping smoking affects people's mental health.
Mar 9, 2021 · Taken together, these data provide evidence that mental health does not worsen as a result of quitting smoking, and very low‐ to moderate‐certainty evidence that smoking cessation is associated with small to moderate improvements in mental health.
- Gemma Mj Taylor, Nicola Lindson, Amanda Farley, Andrea Leinberger-Jabari, Katherine Sawyer, Rebecca ...
- 2020
- Overview
- The mental benefits of quitting
- Nicotine and dopamine
- Smoking and mental health
- Quitting improves mental well-being
- Limitations
•According to the results of a recent systematic review, quitting smoking may produce positive health effects in a matter of weeks.
•The review found that people who quit smoking had a greater reduction in anxiety, depression, and symptoms of stress than people who did not.
•If accurate, these findings could help motivate millions of people looking for more reasons to quit smoking or avoid stopping for fears of negative mental health or social effects.
Each year, smoking cigarettes claims the lives of more than 480,000 people in the United States and more than 8 million people around the world. And, according to the World Health Organization (WHO), smoking is the leading cause of preventable illness, impoverishment, and death worldwide.
Smoking rates have been falling substantially over the last 50 years, particularly in high income countries, with the rate of tobacco use now at 19.7% in the U.S in 2018. In contrast, this rate remains stubbornly high (36.7%) in people with mental health issues.
Some people believe smoking offers mental health benefits, such as reducing stress and anxiety. In one study, it was not just smokers who thought this but also mental health practitioners. Around 40–45% of mental health professionals assumed that smoking cessation would not be helpful to their patients.
“Smokers often believe that cigarettes are the crutch they need when they feel low, but there is good reason to think that smoking is actually making them feel worse,” said Dr. Gemma Taylor, the review’s lead author.
“The daily cycle of waking up with cravings, satisfying the cravings through smoking, only to be back wanting another cigarette within hours has an understandable impact on how people feel.
“But get past the withdrawal that many smokers feel when they stop, and better mental health is on the other side,” she continued. “From our evidence, we see that the link between smoking cessation and mood seem to be similar in a range of people. And most crucially, there is no evidence that people with mental health conditions will experience a worsening of their health if they stop smoking.”
If these findings are confirmed, they could offer hope to millions of people afraid to quit smoking for fears of experiencing worsened mental health symptoms.
Nicotine, the primary active ingredient in tobacco cigarettes, can briefly improve mood.
When someone inhales smoke, it takes around 10–20 seconds for nicotine to reach the brain. Once there, it stimulates the release of dopamine.
Dopamine is a neurotransmitter associated with positive feelings. It tends to improve concentration and mood, relax muscles, and reduce stress. These properties give most people an almost immediate feeling of relaxation.
But the positive effects of nicotine wear off quickly.
When someone smokes, it temporarily reduces withdrawal symptoms. This means they must keep smoking at the same rate to avoid withdrawal. This cycle of positive and negative symptoms helps drive nicotine addiction.
But smoking can not provide any long-term or meaningful positive benefits.
Scientists have identified links between mental health and smoking. For instance, one report found that people with mental health disorders smoke at two to four times the average rate of the general population.
Other studies have shown associations between depression and smoking, but the relationship between the two is likely to be complex, and scientists need to carry out more research to understand the details. Depression is a persistent risk factor for nicotine dependency across age groups.
In the recent review, researchers examined the findings of 102 studies. For inclusion in the review, each study had to last for at least 6 weeks and track whether participants quit smoking or not, plus any mental health changes. The studies either had to have a control group or be a long-term follow-up study of smokers, some of whom quit and some who did not.
In total, the review included data from more than 169,500 participants.
Most of the studies surveyed the general population, while several included people with mental health conditions. Some of the studies gathered information from participants with physical or chronic health conditions, pregnant people, or those who had recently undergone surgery.
Based on their analysis, the team concluded that, contrary to smokers and some practitioners’ fears, quitting smoking compared with not quitting did not worsen depression, anxiety, and symptoms of stress.
The review also found some evidence that quitting smoking promoted positive feelings and mental well-being. The team concluded that stopping may even have a small positive effect on social well-being.
A sub-analysis of three studies showed a pooled reduced likelihood of 24% in developing mixed anxiety and depression in the future and, based on two studies, a 44% reduced chance of developing anxiety alone. The studies on future diagnoses of depression were too dissimilar to calculate a summary result.
It is worth noting that the team had high confidence in the overall finding that quitting tobacco does not worsen mental health symptoms.
However, they were less confident in their results regarding the mental health benefits of stopping smoking — the calculated likelihood of these findings was very low to moderate.
Their confidence in the link between quitting smoking and improvement in mental health symptoms was very low for depression and low for anxiety.
This is because the studies included in the review used different methods and ways of assessing mental health symptoms, making it harder to combine the results. The authors also note that certain studies had limitations and design flaws.
The research duration also varied drastically between studies, ranging from 6 weeks to 6 years.
More robust, uniform research is needed to understand the true relationship between mental health, mental health symptoms, and smoking.
- Jennifer Huizen
Feb 13, 2014 · Conclusions Smoking cessation is associated with reduced depression, anxiety, and stress and improved positive mood and quality of life compared with continuing to smoke. The effect size seems as large for those with psychiatric disorders as those without.
Feb 1, 2020 · February 1, 2020. Research we're watching. Need another reason to quit smoking? Smoking may increase your chances of developing schizophrenia or depression, says a study published Nov. 6, 2019, in Psychological Medicine. It's long been known that people with mental illness are more likely to smoke than those without mental illness.
