Causes of Hyperventilation: Lifestyle

Internet and official medical sources (Wikipedia, etc.) are full of anti-scientific fantasies about causes of hyperventilation, as if hyperventilation mainly happens on the Moon, while limited on Earth to such cases as lung injuries, extreme stress, diabetic ketoacidosis, head injuries and stroke. Real life research provides a different view on presence and prevalence of overbreathing (breathing more air than the medical norm).

Minute ventilation rates (chronic diseases)

Condition	Minute ventilation	Number of people	All references or click below for abstracts
Normal breathing	6 l/min	-	Medical textbooks
Healthy Subjects	6-7 l/min	>400	Results of 14 studies
COPD	14 (±2) l/min	12	Palange et al, 2001
COPD	12 (±2) l/min	10	Sinderby et al, 2001
COPD	14 l/min	3	Stulbarg et al, 2001
Cancer	12 (±2) l/min	40	Travers et al, 2008
Heart disease	15 (±4) l/min	22	Dimopoulou et al, 2001
Heart disease	16 (±2) l/min	11	Johnson et al, 2000
Heart disease	12 (±3) l/min	132	Fanfulla et al, 1998
Heart disease	15 (±4) l/min	55	Clark et al, 1997
Heart disease	13 (±4) l/min	15	Banning et al, 1995
Heart disease	15 (±4) l/min	88	Clark et al, 1995
Heart disease	14 (±2) l/min	30	Buller et al, 1990
Heart disease	16 (±6) l/min	20	Elborn et al, 1990
Pulm hypertension	12 (±2) l/min	11	D'Alonzo et al, 1987
Asthma	13 (±2) l/min	16	Chalupa et al, 2004
Asthma	15 l/min	8	Johnson et al, 1995
Asthma	14 (±6) l/min	39	Bowler et al, 1998
Asthma	13 (±4) l/min	17	Kassabian et al, 1982
Asthma	12 l/min	101	McFadden & Lyons, 1968
Cystic fibrosis	15 L/min	15	Fauroux et al, 2006
Cystic fibrosis	10 L/min	11	Browning et al, 1990
Cystic fibrosis*	10 L/min	10	Ward et al, 1999
CF and diabetes*	10 L/min	7	Ward et al, 1999
Cystic fibrosis	16 L/min	7	Dodd et al, 2006
Cystic fibrosis	18 L/min	9	McKone et al, 2005
Cystic fibrosis*	13 (±2) l/min	10	Bell et al, 1996
Cystic fibrosis	11-14 l/min	6	Tepper et al, 1983
Diabetes	12-17 l/min	26	Bottini et al, 2003
Diabetes	15 (±2) l/min	45	Tantucci et al, 2001
Diabetes	12 (±2) l/min	8	Mancini et al, 1999
Diabetes	10-20 l/min	28	Tantucci et al, 1997
Diabetes	13 (±2) l/min	20	Tantucci et al, 1996
Sleep apnea	15 (±3) l/min	20	Radwan et al, 2001
Liver cirrhosis	11-18 l/min	24	Epstein et al, 1998
Hyperthyroidism	15 (±1) l/min	42	Kahaly, 1998

Dozens more medical studies prove the same fact: not only people with chronic disease, but so called "normal subjects" breathe about 12 L/min (double the medical norm) - see the graph with historical changes in breathing below.

Sick people with mouth breathing, supine sleep, and slouching (hyperventilation causes) Since over 90% of modern population have chronic hyperventilation, there should be causes of hyperventilation hidden in the modern lifestyle that promotes supine sleep, mouth breathing, exercise with mouth respiration, laziness, overeating, oversleeping, overheating, slouching, addictions, and many other "innovations" that intensify basal breathing (or breathing at rest) and decrease body oxygen content.

Russian medical doctors practicing the Buteyko breathing technique have investigated the causes of hyperventilation for more than 4 decades. They suggested that the main cause of hyperventilation is lack of physical exercise with nose breathing. (Note that nasal breathing during physical activity was very common some 80-100 years ago and before that even among competing athletes.)

Good young medical doctors smiling The search for hyperventilation causes is easy if we consider medical studies related to historical changes in breathing rates (minute ventilation) in normal subjects during the last 80 years.

Only 70-80 years ago, as this graph (based on 24 medical studies) testifies, breathing of ordinary people (so called "normal subjects") was very different from breathing of modern people. Modern people breathe about 2-3 times more air. Modern people also breathe about twice more than the medical norm for breathing. (Click on the graph to see and read all 24 references.)

Historical changes in minute ventilation
(or minute breathing rates) at rest for normal subjects

Modern civilization has brought about some negative changes affecting our breathing and health and causing hyperventilation in modern population. Among causes of hyperventilation are abnormal changes in our lifestyle in the areas of physical exercise, diet, sleep, rest and relaxation, thermoregulation, talking, and many others. These causes of hyperventilation are considered on separate pages:
Sick people with obesity, mouth breathing, and stress (hyperventilation causes) * Sedentary lifestyle - Sedentary lifestyle causes reduced brain and body oxygen levels. This leads to poor physical fitness and reduced desite to exercise or even move around
* Mouth breathing - Mouth breathing was a socially inacceptable habit and its CO2- and nitric oxide-related effects affect all cells and organs of the human body
* Sleep factors - Our sleep conditions drastically deteriorated due to worsened air quality, introduction of soft beds, warm blankets, sleeping on one's back and mouth breathing during sleep
* Psychological stress - While people in the past had the same magnitude and amount of stress, modern people, due to chronic hyperventilation, have reduced abilities to face their life challenges
* Overeating - While food was scarce in the past, current abundance of junk food, modern advertisement techniques, and social overeating cause devastating effects on breathing causing chronic hyperventilation
* Overheating - High temperatures indoors, excessive clothing, wearing warm clothes indoors, overheating of children are among the causes of hyperventilation
* Lack of nutrients - Food and meals were simpler and more natural before the advance of modern agricultural (-cultural?) methods, while junk food is one of the causes of hyperventilation
* Toxins and pollution - These days they can come from air, food, and water
* Stop slouching - Old movies and photos show that straight spine (for diaphragmatic breathing and normal blood oxygenation - 98%) was the norm 1-2 centuries ago. Appearance of sofas, couches, armchairs, and modern chairs with negative incline (knees are higher than buttocks) causes slouching and leads to chest breathing promoting hyperventilation
* Talkativeness - People used to be less talkative some decades ago, while modern population is very eager to "express" themselves
* Singing - Why singers die early? - Overbreathing reduces their body O2 and leads to possible addictions, health problems.
* Swaddling babies: when and why - Swaddling was one of the ancient wise traditions that has been lost for decades, but, thanks for recent medical research and trials, it is again encouraged by official mainstream medicine
* Other factors

All these causes of hyperventilation are discussed in more detail on web pages of this Section. Note that these are the most common causes of abnormal breathing. In addition, people often have many other, more personal factors that can intensify their breathing. They are considered in Learning Section of this website, where one can find out more complete practical instructions related to healthy and risk lifestyle factors and related topics.

Hyperventilation causes are individual and can vary over time for the same person. For example, a healthy athletic young man, after graduation, may become less active physically. His breathing gets heavier and the morning CP drops to about 20 s. After some years he starts to sleep on his back. ... Read more ....	People in the past. Do old movies and films show that people's breathing pattern in the past was different? 1. People kept their mouths shut. 2. People spent hours while reading, speaking, and working in the correct posture... Read more ...
How is it possible that a human being, one of the smartest species on Earth, can kill himself, and over 90% people die this way, by overbreathing? Is nature so silly to create us this way? In order to answer these questions we need to consider changes in air composition on Earth ...	Since primitive air had very little O2, our evolutionary predecessors could get more oxygen in tissues only by breathing more. Could it be so that this was the reason why hyperventilation became the main reflex or drive of the human organism? ...

Prevalence, symptoms and treatment of hyperventilation

Prevalence of hyperventilation is very high. More than 90% of the sick and normal subjects breathe over 10 L/min, while the medical norm is only 6 L/min. Healthy people, however, have only about 6-7 L/min ... Read more:

Prevalence of hyperventilation

Common symptoms of hyperventilation are: anxiety, bronchospasm, constipation, coughing, muscle cramps, nasal congestion, sighing, shortness of breath, angina pain, ... Read more:

Symptoms of hyperventilation

Successful treatment of hyperventilation is based on those breathing exercises that reduce minute ventilation at rest and increase alveolar CO2 levels. Correction of lifestyle risk factors is necessary too. More info:

Treatment of hyperventilation

References: CO2 Effects Web Pages
Vasodilation: CO2 expands arteries and arterioles facilitating perfusion (or blood supply) to all vital organs
The Bohr effect How and why oxygen is released by red blood cells in tissues
Cell Oxygen Levels and oxygen transport are controlled by alveolar CO2 and breathing
Oxygen Transport depends on breathing and these two effects (Vasoconstriction-Vasodilation and the Bohr effect) are parts of two diagrams that summarize influences of hypocapnia (low CO2 content in the blood and cells) on circulation and O2 delivery
Free Radical Generation takes place due to anaerobic cell respiration caused by cell hypoxia. Hence, antioxidant defenses of the human body are also regulated by CO2 and breathing
Inflammatory Response is controlled by breathing since hypoxia leads to or intensifies chronic inflammation through over-expression of the hypoxia-inducible factor 1, while normal breathing reduces these processes
Nerve stabilization takes place due to calmative or sedative effects of carbon dioxide in neurons or nerve cells
Muscle relaxation or relaxation of muscle cells is normal at high CO2, while hypocapnia causes muscular tension, poor posture and, sometimes, aggression and violence
Brochodilation - dilation of airways (bronchi and bronchioles) by carbon dioxide, and their constriction due to hypocapnia
CO2: Best Natural Cough Suppressant and "home remedy" since it calms urge-to-cough nerve receptors located in the tracheobronchial tree and larynx
Blood pH regulation and regulation of other bodily fluids
CO2: Lung Damage Healer: Elevated carbon dioxide prevents injury and promotes healing of lung tissues
CO2: Skin and Tissue Healer
Synthesis of Glutamine in the Brain, CO2 fixation, and other chemical reactions
CO2 myth "CO2 is a toxic waste gas" myth
Breathing control How is our breathing regulated? Why hypocapnia makes breathing uneven and erratic?

Reference Web Pages: Breathing norms, Medical Graphs and Tables about Breathing Rates (Minute Ventilation) and Body Oxygen in Healthy, Normal and Sick People
Breathing norms Parameters, graph, and description of the normal breathing pattern
6 breathing myths 6 myths about breathing and body oxygenation (prevalence: over 90%)
Hyperventilation Definitions of hyperventilation: their advantages and weak points
Hyperventilation Syndrome in the Sick. Table 1. Western scientific evidence about prevalence of CHV (chronic hyperventilation) in patients with various chronic conditions (34 medical studies)
Normal Minute Ventilation in Healthy Subjects: Easy and Light Breathing (14 Studies)
Hyperventilation Prevalence Present in Over 90% of Normal People (24 medical publications)
HV and hypoxia How and why deep breathing reduces oxygenation of cells and tissues of all vital organs
Body oxygen test How to measure your own breathing and body oxygenation (a simple DIY test)
Body oxygen in healthy Table 4. CP (body oxygen level) in healthy people (27 medical studies)
Body oxygen in sick Table 5. CP (body oxygen level) in sick people (14 medical studies)
Buteyko Table of Health Zones with clinical description of most common zones
Morning HV Morning hyperventilation effect or how and why critically ill people are most likely to die during early morning hours

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