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Fasting and Orthorexia

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  1. Introduction
  2. Partial fast
  3. Fast metabolism
  4. Protein phase
  5. Food recovery
  6. Diagnosis
  7. Conclusion

The total fasting corresponds to a total shutdown of all power outside the water. Fasting really begins beyond a period of 12-16 hours of non-food outlet other than water. Before this time we speak of physiological fasting.
The concept of fasting is found in the word that comes lunch "de-fast" meaning breaking the fast.

The total fasting includes two periods:
? a first period corresponding to a fast of 12-16 hours 3-4 days, called short fasting.
? A second period corresponding to prolonged fasting beyond 4-5 days, called long fast.

The partial fast is to stop all power outside the water and low-calorie liquids generally based on carbohydrates (broths).

[...] orthorexia A. DEFINITION Orthorexia (the proper Greek and orthos orexie apétit) is an eating disorder centered swallowed obsession for healthy food, however there is no restriction on the amount ingested (quality Food is the focus of attention of the orthorexic). Orthorexia is characterized by an obsession to ingest healthy foods. This pushes the orthorexic to exclude foods based: The nature of food (no sugar, no salt, no lipid . ) Of their production conditions (pesticides, GMOs . ) From their manufacturing conditions (food additives, saturated fats . [...]

[...] Under the action of glucagon, the body will then start to draw its energy from body reserves (which are endogenous substrates). The organization will mobilize its reserves using as substrate lipids and proteins, to generate glucose for glucodépendants tissue. There are three main phases, throughout the fast, which use different mechanisms. These mechanisms correspond to how the body will draw on its reserves to maintain its homeostasis. carbohydrate phase: involves mechanisms glycogenolysis, lipolysis and gluconeogenesis. protein phase: involves the mechanisms of proteolysis and gluconeogenesis. Phase ketone: ketogenesis involves the mechanism. [...]

[...] Fasting for religious or philosophical reason: this will not be detailed further measure as developed elsewhere. In some practices (including Buddhism and Zen), the long fast is recommended for those who wish to approach the ecstasy (this feeling is related to physiological phenomena that will be explained later in this document). Fasting associated with fad diets: currently the most common are the "Detox cures" and also fasts associated with the steps (the most publicized organization currently being "fasting and hiking") C. [...]

[...] Then there is too serious degradation of fatty acids, so too acetyl-CoA, compared to the absorption capacity of the Krebs cycle. The acetyl-CoA is then converted into ketone bodies (ketogenesis) these products will be used ketones priority by the brain. Summary: The short fast will involve mechanisms of glycogenolysis and gluconeogenesis. The long fast will involve the beta-oxidation mechanisms then ketogenesis. Note, beyond a certain time the body stops draw energy from endogenous proteins (mechanism remains yet unexplained). Partial young with very inadequate intake of energy substrate, it generates a delay to the implementation of these phases. A. [...]

[...] Orthorexia is characterized by the establishment rules more binding and therefore that result in isolation increasingly important to the person. In some cases the orthorexic feels disgust for food behaviors of people she attends, she then feels the need to pose as give lessons. The orthorexic is in perpetual search of ideal foods. Orthorexia in its extreme form (orthorexia nervosa) can be dangerous because the person suffering begins to have zero tolerance vis-à-vis food which generates a loss of appetite and therefore can generate a prolonged fast which can lead to death. [...]

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