Asthma and Respiratory Health: Supporting Easier Breathing Naturally
Evidence-informed ways to support respiratory health, manage asthma triggers and reduce inflammatory burden alongside appropriate medical care.
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The Growing Burden of Respiratory Conditions
Asthma affects approximately 10% of Canadians, making it one of the most common chronic conditions1. Beyond asthma, millions more struggle with allergic rhinitis (hay fever), chronic sinusitis and other respiratory concerns that affect their daily quality of life. In Nova Scotia, where seasonal changes bring shifting pollen counts, mold exposure and indoor air quality challenges during long winters, respiratory concerns are particularly common in my Halifax practice.
For many people with asthma and respiratory conditions, conventional treatments provide good control. Inhaled corticosteroids and bronchodilators can be effective and, when needed, potentially lifesaving. However, some patients experience incomplete symptom control, medication side effects or simply want to better understand the factors that influence their breathing.
Naturopathic medicine does not replace appropriate medical management of asthma. Asthma can be a serious, even life-threatening condition and patients should maintain their rescue medications and follow their physician’s guidance. What naturopathic care can offer is a broader look at triggers, diet, environment, stress, allergic load and related conditions that may be affecting respiratory health.
Understanding Asthma
What Happens in Asthmatic Airways
Asthma is a chronic inflammatory condition affecting the airways. In people with asthma, the airways are persistently inflamed and hypersensitive. When triggered, they respond with bronchoconstriction (narrowing of the airways due to muscle spasm), increased mucus production and swelling of the airway lining.
These responses cause the characteristic symptoms of wheezing, coughing, chest tightness and shortness of breath. Symptoms may be intermittent or persistent, mild or severe, depending on the individual and their triggers.
Understanding that asthma is fundamentally an inflammatory condition explains why anti-inflammatory approaches, whether pharmaceutical, dietary, environmental or lifestyle-based, are central to management.
Types of Asthma
Asthma is not a single condition but a spectrum with different underlying mechanisms.
Allergic asthma is triggered by allergens such as pollen, dust mites, mold and animal dander. It often coexists with allergic rhinitis and eczema (the “atopic triad”). This type involves IgE-mediated immune responses and typically responds well to allergen avoidance and treatments targeting the allergic pathway.
Non-allergic asthma is triggered by factors other than allergens, including respiratory infections, cold air, exercise, irritants (smoke, strong odors), stress and certain medications. The inflammatory mechanisms differ somewhat from allergic asthma.
Exercise-induced asthma (more accurately called exercise-induced bronchoconstriction) involves airway narrowing during or after exercise, particularly in cold, dry air. It can occur in people with or without underlying asthma.
Occupational asthma is caused or worsened by workplace exposures to chemicals, dust or other substances.
Many people have mixed-type asthma with multiple triggers.
The Role of Inflammation
Chronic airway inflammation is the defining feature of asthma. This inflammation involves multiple cell types including eosinophils, mast cells, T lymphocytes and others, along with various inflammatory mediators. Even between attacks, when patients feel well, subclinical inflammation persists in asthmatic airways.
This understanding has shifted asthma treatment from purely symptom-based (bronchodilators for attacks) to controller-based (daily anti-inflammatory medications to prevent attacks). Natural approaches to asthma similarly focus on reducing this underlying inflammation.
Identifying and Avoiding Triggers
Reducing exposure to triggers is foundational to asthma management. Common triggers include:
Allergens
For allergic asthma, identifying and minimizing allergen exposure is crucial. Dust mites thrive in bedding, upholstered furniture and carpeting. Strategies include encasing mattresses and pillows in allergen-proof covers, washing bedding weekly in hot water, reducing carpet and upholstered furniture, maintaining low humidity (dust mites need humidity) and considering air purifiers with HEPA filters.
Mold grows in damp environments. Address moisture problems promptly, use exhaust fans in bathrooms and kitchens, clean visible mold with appropriate solutions and consider a dehumidifier in damp areas.
Pet allergens from cats and dogs can trigger asthma. Ideally, allergic individuals should not have these pets, but if they do, keep pets out of bedrooms, use HEPA air purifiers, wash hands after contact and consider regular pet bathing.
Pollen triggers seasonal exacerbations. Monitor pollen counts, keep windows closed during high-pollen seasons, shower and change clothes after outdoor activities and plan ahead with your healthcare team before your worst season.
Irritants
Tobacco smoke is a major asthma trigger and general respiratory toxin. Smoking cessation is essential, and secondhand smoke exposure should be eliminated. Wood smoke from fireplaces and wood stoves can trigger asthma. Consider alternative heating or ensure excellent ventilation. Strong odors and chemicals including perfumes, cleaning products, air fresheners and paint fumes can trigger symptoms. Choose fragrance-free products and ensure ventilation when using chemicals. Air pollution including outdoor pollution (traffic, industrial) and indoor pollution affects respiratory health. Monitor air quality and limit outdoor exertion on high-pollution days.
Other Triggers
Respiratory infections, particularly viral infections, are common asthma triggers. Good hand hygiene, maintaining immune health and staying current on vaccinations (including flu) help prevent infections. Cold air can trigger bronchoconstriction. Cover your nose and mouth with a scarf in cold weather and consider warming up gradually before outdoor winter exercise. Gastroesophageal reflux (GERD) can worsen asthma, possibly through micro-aspiration or neural reflexes. Treating reflux may improve asthma control in affected individuals. Stress and strong emotions can trigger asthma attacks. Stress management is part of comprehensive asthma care.
Dietary Patterns and Respiratory Health
Anti-Inflammatory Eating
Given that asthma is an inflammatory condition, diet quality can be part of a broader respiratory health plan. Research has associated Mediterranean-style dietary patterns with better asthma control and fewer symptoms2.
This is best understood as an overall pattern rather than a prescription. A practical anti-inflammatory diet usually means more whole foods, colourful plants, healthy fats and adequate protein, with less reliance on ultra-processed foods, added sugars and fried or highly refined foods.
Foods That May Worsen Asthma
For some individuals, certain foods trigger asthma symptoms. Sulfites are preservatives found in wine, dried fruits and some processed foods that can trigger asthma in sensitive individuals. Salicylates are compounds found naturally in many foods and in aspirin that trigger asthma in some people. Specific food allergies can trigger asthma in those with food allergies, particularly to common allergens.
If you suspect food triggers, keeping a food and symptom diary or working with a healthcare provider on an elimination diet can help identify problem foods.
Weight Management
Obesity is associated with more severe asthma and poorer response to medications. Excess body weight increases inflammatory mediators, impairs lung function mechanically and affects the immune responses underlying asthma. Weight loss in overweight asthmatic individuals often improves symptoms and medication requirements5.
Nutrient Status and Natural Health Products
Research has explored nutrition and natural health products in asthma and respiratory health, but the findings are mixed and do not translate into a one-size-fits-all supplement plan3,4.
For that reason, this article does not list supplement or herbal protocols. Asthma can worsen quickly, and natural health products should not be used as substitutes for prescribed inhalers, controller medications or urgent medical care. Some products can also interact with medications, affect other health conditions or vary significantly in quality.
In practice, the safer approach is individualized assessment: current asthma control, medication use, triggers, diet, allergies, reflux, sinus issues, environmental exposures and lab testing where relevant. Any natural health product should be considered only in that broader clinical context.
Breathing Techniques
Learning proper breathing techniques can benefit people with asthma and other respiratory conditions.
Buteyko Breathing
The Buteyko method emphasizes nasal breathing, reducing breathing volume and breath-holding exercises. Some studies show improvements in asthma symptoms and reduced bronchodilator use with Buteyko training6. The method is safe and can be learned from trained practitioners or online resources.
Diaphragmatic Breathing
Many people with asthma develop dysfunctional breathing patterns, using accessory muscles rather than the diaphragm. Relearning diaphragmatic (belly) breathing can improve respiratory efficiency and reduce the work of breathing.
Yoga and Pranayama
Yoga, including its breathing practices, may benefit people with asthma through stress reduction, improved breathing patterns and possibly direct effects on lung function. Multiple studies show improvements in quality of life and some measures of lung function with regular yoga practice7.
Environmental Modifications
Indoor Air Quality
Since we spend most of our time indoors, indoor air quality significantly affects respiratory health. Use HEPA air purifiers in bedrooms and main living areas. Maintain appropriate humidity (30-50%); too dry irritates airways, too humid promotes mold and dust mites. Ensure adequate ventilation. Avoid or ventilate when using volatile chemicals (cleaning products, paint, etc.). Consider houseplants that improve air quality, though avoid overwatering which promotes mold. Replace air filters regularly in HVAC systems.
Reduce Chemical Exposures
Choose fragrance-free cleaning and personal care products. Avoid aerosol sprays when possible. Use low-VOC paints and building materials. Consider natural alternatives for household cleaning.
Managing Related Conditions
Allergic Rhinitis
Allergic rhinitis (hay fever) commonly coexists with asthma. Poor control of nasal allergies can worsen asthma through inflammatory connections and mouth breathing (bypassing the nose’s filtering and humidifying functions). Effectively managing nasal symptoms often improves asthma control.
Supportive approaches to allergic rhinitis can include allergen reduction, nasal saline rinses and a review of seasonal patterns, medication use and environmental exposures. Treatment should be individualized, especially when asthma and allergies overlap.
Gastroesophageal Reflux
GERD is common in people with asthma and can worsen respiratory symptoms. Reflux management often starts with eating habits, meal timing, avoiding individual trigger foods, maintaining a healthy weight and coordinating care when symptoms persist.
Sinusitis
Chronic sinusitis often accompanies asthma. Addressing sinus infections and inflammation with nasal rinses, appropriate treatment of infections and reducing allergen exposure can improve overall respiratory health.
Stress and Emotional Factors
Stress can trigger asthma attacks and worsen overall control. Stress management is not optional for comprehensive asthma care. Effective approaches include regular exercise (appropriate for your asthma control), mindfulness meditation, adequate sleep, cognitive-behavioral approaches and addressing sources of chronic stress.
The anxiety that often accompanies asthma (understandably, given the frightening nature of breathing difficulties) can itself worsen symptoms. Breaking this cycle is important.
When Natural Approaches Are Not Enough
Natural approaches to asthma work best as complements to appropriate medical care, not replacements. Seek medical care promptly if your asthma is not well-controlled despite treatment, if you are using your rescue inhaler more than twice a week (not including pre-exercise use), if you have had emergency room visits or hospitalizations for asthma, if you wake at night with asthma symptoms or if asthma limits your activities.
Severe or poorly controlled asthma requires medical management. Supportive approaches can then be considered alongside that care to address triggers, inflammation and related health factors.
Comprehensive Respiratory Care in Halifax
Respiratory health is influenced by multiple factors including allergens, irritants, diet, stress and overall inflammation. A comprehensive approach addresses these underlying factors while supporting optimal lung function.
For patients with well-controlled asthma seeking to reduce triggers and support respiratory health naturally, or those with suboptimal control looking for complementary care, naturopathic medicine can help identify contributing factors. These approaches work alongside conventional care, not in place of it.
If you are interested in exploring natural approaches to respiratory health, please contact Dr. Colin MacLeod ND to book an initial appointment. Dr. MacLeod provides comprehensive assessments and individualized treatment plans for patients with asthma and other respiratory concerns, coordinating with family physicians and specialists as appropriate.
References
- Public Health Agency of Canada. Report from the Canadian Chronic Disease Surveillance System: Asthma and Chronic Obstructive Pulmonary Disease (COPD) in Canada. 2018.
- Garcia-Marcos L, Castro-Rodriguez JA, Weinmayr G, et al. Influence of Mediterranean diet on asthma in children: A systematic review and meta-analysis. Pediatr Allergy Immunol. 2013;24(4):330-338.
- Martineau AR, Cates CJ, Urashima M, et al. Vitamin D for the management of asthma. Cochrane Database Syst Rev. 2016;9(9):CD011511.
- Yang H, Xun P, He K. Fish and fish oil intake in relation to risk of asthma: a systematic review and meta-analysis. PLoS One. 2013;8(11):e80048.
- Juel CT, Ali Z, Nilas L, Ulrik CS. Asthma and obesity: does weight loss improve asthma control? A systematic review. J Asthma Allergy. 2012;5:21-26.
- Cowie RL, Conley DP, Underwood MF, Reader PG. A randomised controlled trial of the Buteyko technique as an adjunct to conventional management of asthma. Respir Med. 2008;102(5):726-732.
- Posadzki P, Ernst E. Yoga for asthma? A systematic review of randomized clinical trials. J Asthma. 2011;48(6):632-639.