As for the release of these substances from your fat cells with weight loss, well, what can you say; those are the consequences of environmental pollution and this is just one more reason to stay lean and eat clean and perhaps also, do your share to take care of our environment, if you are so inclined. But I do believe for the most part, your body is quite well equipped to naturally detoxify most toxins that are ingested in "normal" (small) amounts or would likely be released slowly with normal rates of fat loss. I don't think this is a reason NOT to lose weight, although some researchers say that obese men and women have to "weigh the health advantages of losing the weight with a potentially harmful effect."
Unfortunately, there is another twist: Some data suggests that if these chemicals are released into your system as you lose weight, they could hamper fat loss by decreasing thyroid (T3 conversion) or reducing thermogenesis during weight loss if an obese person had accumulated these chemicals in their fat cells.
Everyone who loses weight experiences some degree of metabolic adaptation as they diet and lose weight, and some obese people seem to have a defect in thermogenesis or their hormones may be out of whack. Scientists began wondering if chemicals released from stored fat into circulation could be a cause of this metabolic slowdown. To the best of my knowledge, these findings have not been confirmed as causative through experimental research, but it's a disturbing prospect because getting lean is hard enough as it is.
Regarding the question about nausea and lightheadedness, I looked at several scientific studies on this subject and even after reading the full papers, I did not see any references to nausea or light headedness being related to Organochlorine release with weight loss. I did, however, see references to suppressed immune system and estrogenic effects in addition to the effects on thyroid. Light headedness could be as simple as low glycogen or blood sugar and caloric deficit.
If you take this research at face value it creates quite a conundrum, doesn't it? My advice is... don't. Don't be alarmist. Take the weight off anyway. Do it slowly and safely, and then keep it off - do NOT cycle up and down in weight. Also, this might be yet one more good reason to question the wisdom of losing weight quickly since the total body burden of OC's is greater in overweight people than in lean people, leaving them more susceptible to adverse effects. As one researcher said, "it could be preferable to moderate body weight loss."
I wouldn't let articles about "the typical American diet poisoning you with toxins" make you worry too much or jump on any bizarre detox rituals that don't have scientific support. You have to be pretty careful in the area of "detoxification" because it is filled with quackery and pseudoscience. Packaged, processed and refined foods are unhealthy. But this issue isn't about chemicals used in food processing, nor is it as simple as saying that eating "junk food" fills you with toxins. This is an environmental pollution issue, where the toxins find their way into our food supply - even "clean foods" - and then into our bodies, where in this case, they remain there for years.
I know it would be great if I could end this article by telling you how to get the OC’s out of your system. Unfortunately, the research data I have read does not propose a solution yet. Some people choose organic to avoid pesticides that are still used today, although the benefits of that would be preventative, not retroactive. For now, the best bet is to lose weight at a sensible rate, maintain a healthy weight, and eat clean, unprocessed foods as much as possible.
If you'd like to learn more about how to decrease your body fat level in a safe, sensible, natural way, then click below:
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