Introduction
"But doctor, I have never smoked in my life. How can I have a lung disease?"
I hear this often, especially from women in their 50s and 60s. The answer surprises many people: in India, a large share of COPD patients have never smoked.
What Is COPD?
COPD stands for Chronic Obstructive Pulmonary Disease. In simple words, it is long-term damage to the lungs that makes it hard to breathe out fully. It includes two conditions:
- • Chronic bronchitis: Swollen, mucus-filled breathing tubes, with a daily cough and phlegm.
- • Emphysema: Damaged air sacs that lose their stretch, like an old balloon.
Unlike asthma, COPD damage usually does not fully reverse. But it can be controlled very well with treatment.
How Big Is the Problem in India?
COPD is one of India's biggest health challenges. According to Global Burden of Disease data, India had about 37.8 million COPD cases in 2019, but accounted for nearly 27% of global COPD deaths1_QC(SD_OM)_PF1(AG_NK)_PFA(IS)_PB(AG_IS)_Redo_PN(IS).pdf), making it the second leading cause of death and disability in the country. A 2026 review of Indian studies estimated that about 13% of Indian adults have COPD2.
Why Do Non-Smokers Get COPD?
Smoking is still the number one cause. But in India, other causes are equally important:
Cooking Smoke (Biomass Fuel)
Firewood, cow dung and crop waste release thick smoke in poorly ventilated kitchens. An Indian multi-centre study found that about 30% of COPD patients were non-smokers, and most were exposed to biomass smoke in their kitchens3. A study in Tiruvallur district found COPD was twice as common in women who spent more than 2 hours a day in the kitchen4.
Outdoor Air Pollution
Long-term exposure to vehicle smoke, dust and industrial fumes damages the lungs over time.
Workplace Dust and Fumes
Construction, mining, textile mills, foundries and farm work all raise the risk.
Second-Hand Smoke
Living with a smoker harms your lungs too.
Childhood Lung Infections and TB
Frequent pneumonias in childhood or past TB can leave lasting lung damage.
Indoor Smoke from Coils and Incense
Daily exposure in closed rooms adds up over the years.
Symptoms of COPD
COPD develops slowly. Many people dismiss early symptoms as "just age" or "smoker's cough."
- • Breathlessness, first while climbing stairs or walking fast, later even at rest
- • Daily cough, often worse in the morning
- • Phlegm (sputum) most days
- • Wheezing or chest tightness
- • Frequent chest infections, especially in winter and monsoon
- Tiredness and weight loss in advanced stages
The Simple Test That Confirms COPD: Spirometry
Spirometry is a breathing test. You take a deep breath and blow out as hard and fast as you can into a machine. It:
- Takes about 15 minutes
- Is completely painless
- Confirms the diagnosis and tells us how severe the disease is
Unfortunately, many patients in India are treated for years with cough syrups and antibiotics without ever having a spirometry test.
How Is COPD Treated?
Stop the Cause
Quit smoking (the single most important step), switch to clean cooking fuel, and reduce dust exposure.
Inhalers
Inhalers are the backbone of COPD treatment. They open the breathing tubes and reduce flare-ups. Using the correct inhaler technique is as important as the medicine itself. Always ask your doctor to check your technique.
Vaccines
Flu and pneumococcal vaccines reduce chest infections and hospital admissions. Patients with COPD are among those for whom the CDC recommends pneumococcal vaccination5.
Pulmonary Rehabilitation
A supervised programme of breathing exercises, walking and education. It is one of the most effective treatments for improving breathlessness and quality of life.
Oxygen Therapy
For advanced cases with low oxygen levels, home oxygen can help.
Living Well with COPD: Daily Tips
- Walk daily, even for 10–15 minutes, and slowly increase.
- Try pursed-lip breathing: breathe in through the nose, then breathe out slowly through lips shaped as if blowing out a candle.
- Eat small, frequent, protein-rich meals.
- Keep your home smoke-free and well-ventilated.
- Have an action plan for flare-ups and know when to call your doctor.
Frequently Asked Questions
Q1.Is COPD the same as asthma?
No. Asthma often starts young, comes and goes, and is usually reversible. COPD typically starts after 40 and progresses slowly. Some people have features of both.
Q2.Can COPD be cured?
The damage cannot be fully reversed, but treatment can greatly reduce symptoms, prevent flare-ups and help you live an active life.
Q3.Is it too late to quit smoking if I already have COPD?
It is never too late. Quitting at any stage slows down the disease.
KEY TAKEAWAY
The Bottom Line
If you are over 40 and get breathless more easily than before, have a daily cough, or have spent years around cooking smoke or dust, please ask for a spirometry test. COPD caught early is COPD controlled.
Sources & references
- India had about 37.8 million COPD cases in 2019, but accounted for nearly 27% of global COPD deaths jcdr.net/articles/PDF/22797/79780_CE%5BRa1%5D_F(KR
- About 13% of Indian adults have COPD link.springer.com/article/10.1186/s12890-026-04134-0
- About 30% of COPD patients were non-smokers, and most were exposed to biomass smoke in their kitchens onlinelibrary.wiley.com/doi/abs/10.1111/resp.14269
- COPD was twice as common in women who spent more than 2 hours a day in the kitchen pmc.ncbi.nlm.nih.gov/articles/PMC3208970/
- CDC recommends pneumococcal vaccination cdc.gov/pneumococcal/hcp/vaccine-recommendations/risk-indications.html
ABOUT THE AUTHOR
Dr. Koushik Muthu Raja Mathivanan, M.D.
Dr. Koushik Muthu Raja Mathivanan is a Consultant Pulmonologist in Chennai.
This article is for general awareness and does not replace a consultation with your doctor.
Have a concern about your breathing?
Online articles can support awareness, but they cannot replace an individual medical assessment.