Body Oxygen Test or CP Test (How to Measure Body O2 Levels)

“All chronic pain, suffering and diseases are caused
from a lack of oxygen at the cell level."
Prof. A.C. Guyton, MD, The Textbook of Medical Physiology*

* World’s most widely used medical textbook of any kind
* World's best-selling physiology book

How to Measure Body Oxygen Level (DIY Test)

Breath holding woman Sit down and rest for 5-7 minutes. Completely relax all your muscles, including the breathing muscles. This relaxation produces natural spontaneous exhalation (breathing out). Pinch your nose closed at the end of this exhalation and count your BHT (breath holding time) in seconds. Keep the nose pinched until you experience the first desire to breathe. Practice shows that this first desire appears together with an involuntary push of the diaphragm or swallowing movement in the throat. (Your body warns you, "Enough!") If you release the nose and start breathing at this time, you can resume your usual breathing pattern (in the same way as you were breathing prior to the test).

Do not extend breath holding too long trying to increase the control pause. You should not gasp for air or open your mouth when you release your nose. The test should be easy and not cause you any stress. This breath holding time test should not interfere with your breathing, as shown here:

Breath holding or Control Pause Test: Correct and Incorrect

Warning. Some, not all, people with heart disease, migraine headaches, and panic attacks may experience negative symptoms minutes later after this light version of the test. If this happens, they should avoid this test.

What about usual body oxygen numbers, CP norms and CP of sick and healthy people?

“If a person breath-holds after a normal exhalation,
it takes about 40 seconds before breathing commences”
From the textbook “Essentials of exercise physiology”
McArdle W.D., Katch F.I., Katch V.L. (2nd edition);
Lippincott, Williams and Wilkins, London 2000, p.252.

Control Pause (oxygenation indes or stress-free breath hoolding time) in sick people - 9 medical studies

Results of Western medical and physiological research studies are summarized in these 2 Tables:
CP (body oxygen index) in sick people (13 medical studies; less than 20 s)
CP (body oxygen level) in healthy people (24 references; about 20-30 s now; about 40-50 s some 80-100 years ago)

You can eat tons of supplements and super-foods, drink canisters of herbal drinks, have hundreds of colonic irrigations, and practice yoga for many hours every day, but if your body oxygen level remains the same, you will suffer from the same symptoms and require the same dosage of medication.

Medical people smiling Doctor Buteyko and his medical colleagues tested more than a hundred thousand patients and found that the following relationships generally hold true for the body oxygen test (or Buteyko CP test) levels:
1-10 s - severely sick, critically and terminally ill patients, usually hospitalized.
10-20 s - sick patients with numerous complaints and, often, on daily medication.
20-30 s - people with average health and usually without serious chronic health problems.
40-60 s - very good health.
Over 60 s - ideal health, when many modern diseases are virtually impossible.

How does body oxygen CP test relate to your automatic breathing?

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
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
Cancer	12 (±2) L/min	40	Travers et al, 2008
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
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
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
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
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
Epilepsy	13 L/min	12	Esquivel et al, 1991
CHV	13 (±2) L/min	134	Han et al, 1997
Panic disorder	12 (±5) L/min	12	Pain et al, 1991
Bipolar disorder	11 (±2) L/min	16	MacKinnon et al, 2007
Dystrophia myotonica	16 (±4) L/min	12	Clague et al, 1994

Sick people and a doctor Medical evidence suggests that sick people are heavy breathers. The bigger your breathing, the smaller your body oxygen levels.
- If you have about 40 seconds for the body oxygen test, you have normal breathing (with about 5-7 L/min for minute ventilation).
- If your time is 20 s, you breathe for 2 people.
- If you have 10 s of oxygen in the body, you breathe for at least 4 people.

Lifestyle factor:	Body oxygen < 30 s	Body oxygen > 50 s
Energy level	Medium, low, or very low	High
Desire to exercise	Not strong, but possible	Craving and joy of exercise
Intensive exercise with nose breathing	Hard or impossible	Easy and effortless
Typical mind states	Confusion, anxiety, depression	Focus, concentration, clarity
Craving for coffee, sugar and junk foods	Present	Absent
Addictions to smoking, alcohol, and drugs	Possible	Absent
Desire to eat raw foods	Weak and rare	Very common and natural
Correct posture	Rare and requires efforts	Natural and automatic
Sleep	Often of poor quality; > 7 hours	Excellent quality; < 5 hours naturally

Hence, if you breathe less, you naturally increase your body oxygen levels.

"Oxygen content in the organism can be found using a simple method: after exhalation, observe, how long the person can pause their breath without stress... I said about measurements of breathing: the control pause is done for measurement of breathing. Not breathing retraining, but its measurement. It is started after exhalation. Breathing retraining is another business. The control pause does not train breathing, but measures it." Dr. K. P. Buteyko, "Dr. Buteyko lecture in the Moscow State University on 9 December 1969"

This video clip explains in detail how to do the Buteyko Body Oxygen Test:

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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