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Erotic asphyxiation (variously called asphyxiophilia, hypoxyphilia or breath control play) is the intentional restriction of oxygen to the brain for the purposes of sexual arousal. With a partner (or alone), the act often involves strangulation. The term autoerotic asphyxiation is used when the act is done by a person to themself.
Edzard Ernst writes that breathwork (or 'rebirthing') is a form of alternative medicine first devised by Leonard Orr in the 1970s. [4] [inconsistent]Breathwork is the use of breathing techniques in order to achieve altered states of consciousness and to have a variety of effects on physical and mental well-being. [3]
Buteyko uses a measurement called the control pause (CP), the amount of time between breaths that an individual can comfortably hold breath. [5] According to Buteyko teachers, people with asthma who regularly practice Buteyko breathing will notice an increase in CP and decrease in pulse rate that corresponds to decreased asthma symptoms.
An iron lung is a type of negative pressure ventilator, a mechanical respirator which encloses most of a person's body and varies the air pressure in the enclosed space to stimulate breathing. [1] [2] It assists breathing when muscle control is lost, or the work of breathing exceeds the person's ability. [1]
Submissive (or "sub" for short): A person that gives up control, either all the time or for a specified period (not to be confused with "bottom" or "slave"). Subspace: A psychological state caused by excitement and sense of "letting go" of control during a scene. Typically experienced by submissives, s-types, or bottoms during a BDSM scene.
Although a few, more sophisticated users employed nitrous oxide-oxygen mixes with elaborate equipment, most users used balloons or plastic bags. They either held a breath of N 2 O or rebreathed the gas. There were no adverse effects reported in the more than one hundred individuals surveyed. [21]
However, if the supplied breathing gas is free of carbon dioxide, the blood carbon dioxide levels will remain low while breathing occurs, and there will be no distress or urge to increase breathing rate, as the sensitivity in normal people to blood oxygen level as a breathing stimulus is very low. [3] [30]
Narcosis results from breathing gases under elevated pressure, and may be classified by the principal gas involved. The noble gases, except helium and probably neon, [2] as well as nitrogen, oxygen and hydrogen cause a decrement in mental function, but their effect on psychomotor function (processes affecting the coordination of sensory or cognitive processes and motor activity) varies widely.