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Do you smoke? Doctor says, cigarettes can affect your mental health in these ways

Published on: Mar 21, 2025, 21:21:49 IST
Know the effects of smoking on mental health. (Shutterstock)
Know the effects of smoking on mental health. (Shutterstock)
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From disrupting sleep routine to causing mood disorders, stress and anxiety, know the ways cigarettes can affect your mental health.

Smoking is an unhealthy habit, and it causes multiple health complications, from heart to lungs. However, cigarettes effect on mental health is underrated and crucial to understand. In an interview with HT lifestyle, Dr Sameer Malhotra, senior director and head, Dept of mental health and behavioural sciences, Max Super Speciality Hospital, Saket said, “Nicotine being a stimulant is associated with constriction of blood vessels, disturbing the blood flow to the peripheral parts of the body, and also to the brain. Smoking is also linked to the risk of atherosclerosis or plaque depositions in the blood vessels: again, restricting the blood flow to various parts of the body.” Also read | How do I quit smoking?

However, smoking cigarettes also affect our mental health in significant ways:

Memory dysfunction:

Smoking increases carbon monoxide levels in the blood and affects oxygenation. As a result, people dependent on smoking, suffer from memory dysfunction in the long run. There are studies to suggest smokers having reduced grey matter volume (cerebral atrophy).

Anxiety and stress:

Smokers’ life is also affected emotionally as nicotine is linked to neurochemical disturbances in the brain, (disturbing levels of dopamine and norepinephrine) linked to significant anxiety, tremulousness and stress related disorders. Also read | Cigarettes to heart attacks: Here's how smoking destroys your heart and what you can do to stop it

Mood disorders:

Smoking can lead to mood disorders.

Difficulty in concentrating:

It’s a myth that smoking improves concentration. It is often used as an excuse, out of cravings to smoke a cigarette when feeling low concentration.

Disrupts sleep:

Nicotine being a stimulant also leads to smokers, finding it difficult to fall asleep at night. Smoking is associated with sleep, disturbances and parasomnia. Also read | 10 wellness, health tips for people trying to quit smoking and working on having strong lungs

Schizophrenia:

There is also a strong link between smoking and schizophrenia. Patients with schizophrenia are more likely to smoke in excess.

Note to readers: This article is for informational purposes only and not a substitute for professional medical advice. Always seek the advice of your doctor with any questions about a medical condition.

 
ABOUT THE AUTHOR
Tapatrisha Das

Tapatrisha Das is a Lifestyle Journalist at Hindustan Times. She covers health, mental health, relationships, festivals, fashion and travel. She is passionate about narrating interesting stories in the lifestyle space.

Explore Lifestyle stories on Fashion,Health, Relationships, Festivals, Travel, recipe Fitness and Happy Eid 2026 Wishes. Get expert tips, trending updates, and practical ideas to improve your daily routine on Hindustan Times.
Explore Lifestyle stories on Fashion,Health, Relationships, Festivals, Travel, recipe Fitness and Happy Eid 2026 Wishes. Get expert tips, trending updates, and practical ideas to improve your daily routine on Hindustan Times.
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