Q: Does nausea after Hot Yoga classes signify detoxification?

Stewart asks:

After being away from Bikram Yoga for eight years I ventured back with my new wife, Christine, also a previous Bikram student who, prior to our marriage, was hospitalized with Steven Johnson Syndrome (SJS) – a rare but severe allergic drug reaction, which in some cases can be fatal. We were both happy we went and quickly realized this is the best form of exercise for us (we’d spent many years in the gym making minimal gains physically; there’s always been something missing when compared to an all-encompassing (body, mind and soul) session in the hot room). In any event, upon completion of the class, Christine became violently sick on our way home. She vomited several times, and it wasn’t until later that afternoon that she was able to feel herself again. She never experienced this kind of reaction before; could it be explained by the release of toxins through her body?

We consulted two Bikram Yoga instructors and medical doctors – Divi Chandna and Roxana Mavai – about your question, Stewart. While their responses are provided below, please keep in mind that medical information posted on our blog is never meant to replace your own doctor’s or health practitioner’s advice. The following represent suppositions according to the general experience for most people practicing Bikram Yoga. If you have concerns (and perhaps even other medical conditions besides the prior experience of SJS), please consult with your physician.

Divi Chandna says:

I would say that Christine is experiencing huge detoxification now. All allergic reactions are signals that our body is fighting against agents coming in. Sometimes those agents are foreign foods, medications and other substances. Often, people have toxins in their body after such a huge reaction (like the one your wife experienced), and this is likely what she was “detoxifying out.” It doesn’t mean it will happen again, but your intuition was right that she is detoxifying. The more yoga she can do, the more she can release that which is not natural for the body.

Roxana Mavai says:

I am not sure why Christine had the severe vomiting following her first class in a while. I don’t believe that this is related to her SJS several years ago, but could there be a link? I honestly don’t know, but I do doubt it. As for the theory of toxins being released from the body causing the vomiting, I’m not sure.

One possibility may be that she may have been ill prior to class, which may have been aggravated by the exertion. However, most commonly, nausea and vomiting related to exercising in the heat is related to heat stress and heat exhaustion. The most common signs and symptoms are shallow respiration with increased breathing rate, a weak rapid pulse, pale clammy skin, weakness, fatigue, dizziness, headache, nausea and vomiting, muscle cramps and even fainting.

My best guess, without further information, is that it was related to the heat. To reassure you, it doesn’t mean that it will happen regularly. Clearly, you both like this yoga, have previously enjoyed tremendous benefits from it and would like to resume your practice. I believe the most important approach is to learn to recognize the signs and symptoms of heat stress, as described above. To prevent or minimize such effects, drink plenty of water and come to class well hydrated, ensuring you take care of liquids and electrolyte replenishment since salts and minerals are lost with sweat. Finally, acclimatize yourself to the heat gradually. In other words, when you’re in the room, take breaks as you may need. Stopping the effort and exertion of the posture minimizes the body’s own heat generation.

Be very observant of how you’re feeling in the class. Self-awareness will be your best tool of managing in the room. Accept how you feel and don’t have specific expectations. In your past practice you may have been at a certain level of fitness so your expectation might be to do the same level of exertion, but your body may not be quite conditioned to reach that at this point and, if you push hard enough to get the same result of what you could do then, you might overheat. So go easy for now. Be patient and, very soon, the pay-off will be increased conditioning and the ability to do more with the body’s mechanisms, for heat dissipation will keep up with your effort and the heat in the room. You will be able to do more over time.

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The idea that mathematics might be useful for determining authorship is usually attributed to the 19th-century British mathematician Augustus de Morgan. De Morgan was in many respects ahead of his time, especially as regards to what appears to have been a broad-based investigation of the power and possibility of the formalization of thought. An interest in the formal or quantifiable aspects of creative work easily fits into this program. As recorded in his wife’s memoirs, de Morgan wrote a letter to a friend in 1854 that states, “It has always run in my head that a little expenditure of money would settle questions of authorship” by determining if the writings of “the latter do not deal in longer words than the writings of the former.” It must have been the case that de Morgan never had the extra pocket change to pursue this thought, as it was several years later in 1886 that the first published account of a mathematical analysis of literature appears, written by American physicist Thomas Mendenhall. The subject is Shakespeare, a favored focus of the question of attribution. Mendenhall tries to distinguish between Francis Bacon and William Shakespeare according to their relative use of four-letter words. It’s not a success, but nevertheless, a discipline is born. 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Among other examples, function word usage has been used to distinguish between the writings of Alexander Hamilton and James Madison as well as to pinpoint authorship in the Wizard of Oz series. One of the most striking results in the field is the discovery that there are certain patterns of usage that seem to be simply intrinsic to the act of communication. In 1949, using a corpus of a range of works by a number of different authors, Harvard linguist George Zipf discovered a remarkable empirical fact, known today as “Zipf’s law.” It states that the result of multiplying a given word frequency by its “rank” (the most frequent word has rank one, the second most frequent is rank two, and so on) was approximately the same over all the words in the corpus. Zipf published his analysis in an amazing book titled Human Behavior and the Principle of Least Effort, which derives its name from the basic argument that predicts the Zipfian discovery: Imagine any author as a chance-driven machine in which at each step a coin is tossed-if it lands heads up, then a previously used word is chosen at random, while if it lands tails up, then a new word is written down. This is a “rich get richer” sort of model in which the more a word is used in the past, the more likely it is that it will attract more use in the future. In fact, Zipf finds similar relations (called “power laws”-a familiar distribution in the complex systems world) among all sorts of ranked lists, ranging from sizes of towns (here you would consider the product of the population of the town with its rank) to income distributions (where it also goes by the name of “Pareto’s law”). Words can be counted-that’s the main reason that stylometry came first to literature. 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