In exploring the physiological effects of everyday activities, one intriguing question arises: Does coughing burn calories?
As involuntary as it may seem, coughing is a physical action involving muscle exertion.
This article explores whether this common reflex can contribute to calorie expenditure, providing insight into the broader implications for metabolic activity.
Does Coughing Burn Calories?
Yes, coughing does burn calories. Like any physical activity, coughing requires energy, leading to calorie expenditure. The exact number of calories burned can vary, but generally, it’s a very small amount and not significant enough to contribute meaningfully to weight loss or fitness goals.
How Many Calories Does Coughing Burn?
Coughing burns a very small number of calories. Although specific data on the calorie expenditure of coughing alone is limited, we can estimate based on the general metabolic impact of similar physical actions.
Typically, activities like talking and light office work burn about 17-20 calories per hour.
Coughing, which involves bursts of muscular activity much like laughing (which can burn up to 20 calories per 10 minutes of vigorous laughter), likely burns calories at a slightly higher rate during the actual act of coughing.
However, because coughing episodes are usually brief and sporadic, the total calories burned from coughing alone would still be quite minimal.
What are the Mechanics of Coughing?
Coughing is a complex physiological reflex crucial for protecting the respiratory system by clearing irritants, pathogens, and excess secretions from the airways.
The mechanics of coughing can be broken down into several key phases:
- Irritation: The cough reflex is typically initiated when receptors in the airways detect irritants such as dust, mucus, smoke, or microorganisms.
- Inspiration: Once triggered, the reflex starts with a deep and rapid inhalation, filling the lungs with air. This step is essential to prepare the lungs for a forceful expulsion of air.
- Compression: Following inhalation, the epiglottis (a flap of tissue at the back of the throat) closes off the windpipe, and the muscles of the chest and abdomen contract. This contraction increases the pressure within the lungs as the air is held momentarily by the closed epiglottis.
- Expulsion: The pressure in the lungs builds until the epiglottis opens suddenly. The high-pressure air is then expelled forcefully through the respiratory tract. This rapid flow of air helps dislodge and expel any irritants or blockages from the airways.
- Recovery: After the irritant is expelled, the coughing slows and stops, and normal breathing resumes.
Note: The cough reflex is highly efficient and can involve air velocities up to 500 miles per hour, which is effective in clearing mucus, irritants, and microbes from the airways. It serves as a critical defense mechanism for maintaining respiratory health.
What are the Health Implications of Coughing?
Coughing, while typically a protective reflex, can have various health implications, particularly if it becomes chronic or severe.
Here are some of the main health aspects related to coughing:
- Indication of Respiratory Conditions: Frequent coughing can be a symptom of respiratory diseases such as bronchitis, pneumonia, asthma, or chronic obstructive pulmonary disease (COPD).
- Sign of Infections: Coughing is a common symptom in infections like the common cold, influenza, and COVID-19, helping to clear pathogens from the airways.
- Potential for Physical Injury: Intense or prolonged coughing can lead to physical injuries such as muscle strains, rib fractures, and even ruptured blood vessels.
- Impact on Quality of Life: Chronic coughing can interfere with sleep, cause headaches, induce vomiting, and lead to social embarrassment or isolation.
- Risk of Spreading Disease: Coughing is a primary mechanism for the spread of respiratory pathogens, highlighting its role in public health during outbreaks of infectious diseases.
Note: Addressing the underlying cause of coughing is crucial for mitigating these health implications and improving overall well-being.
Impact of Coughing on Weight Management
Coughing has minimal direct impact on weight management. Although it does involve physical exertion and thus burns calories, the amount is very slight and not significant enough to influence body weight in a meaningful way.
Here are some key points to consider about the impact of coughing on weight management:
- Minimal Caloric Expenditure: Coughing burns only a small number of calories. Because episodes of coughing are typically brief and intermittent, the overall calorie burn associated with coughing is negligible in the context of daily energy expenditure.
- Negligible for Weight Loss: Due to the minimal calories burned, coughing cannot be relied upon as a method for weight loss. Effective weight management generally requires more substantial and sustained physical activity, along with dietary adjustments.
- Indirect Effects: If severe or chronic, coughing can impact eating habits or physical activity levels. For instance, a severe cough might reduce appetite or make sustained exercise uncomfortable, which could indirectly affect weight. However, these effects are usually temporary and resolve once the underlying cause of the cough is treated.
Note: While coughing does burn some calories, its impact on weight management is practically insignificant. Proper exercise and nutrition are far more effective and important for controlling weight.
FAQs About Burning Calories While Coughing
Do You Burn More Calories When You’re Sick and Coughing?
Yes, being sick can lead to a slight increase in calorie burning. This is partly due to the body’s immune response, which requires energy to fight off infections.
Coughing itself also burns calories, though the amount is minimal. Fever, if present, significantly increases metabolic rate, leading to more calories burned compared to normal health.
Can Excessive Coughing Cause Weight Loss?
Excessive coughing alone is unlikely to cause significant weight loss.
However, if coughing is part of a broader illness, such as a severe respiratory infection or a chronic condition like COPD, the overall effects of the illness (including reduced appetite and increased metabolic rate due to fever and inflammation) could lead to weight loss.
Does Coughing Use a Lot of Energy?
Coughing does use energy as it involves the contraction of several muscles in the chest and abdomen. However, the energy used in an average cough is relatively low.
The act of coughing is generally brief and intermittent, so while it does require energy, the total amount expended through coughing alone is minimal and not significant in terms of overall daily energy expenditure.
Does Being Sick Increase Metabolism?
Yes, being sick can increase metabolism. This increase is primarily due to the body’s immune response needing more energy to fight off infections.
Fever, a common symptom when ill, significantly raises the body’s metabolic rate as it increases the body temperature, which requires additional energy.
Consequently, during periods of illness, especially those involving fever or systemic inflammation, the body’s metabolic rate can be noticeably higher.
Final Thoughts
While coughing does indeed burn calories, the amount is minimal and insufficient to have any significant impact on weight management.
It’s essential to recognize that activities like coughing are not effective for weight loss and should not be relied upon for fitness goals.
Instead, structured exercise and dietary adjustments remain the cornerstone of effective weight management strategies.
Written by:
John Landry is a registered respiratory therapist from Memphis, TN, and has a bachelor's degree in kinesiology. He enjoys using evidence-based research to help others breathe easier and live a healthier life.
References
- Andrani F, Aiello M, Bertorelli G, Crisafulli E, Chetta A. Cough, a vital reflex. mechanisms, determinants and measurements. Acta Biomed. 2019.