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Fasting and cancer: Benefits and effects

Fasting promotes autophagy

Autophagy is a cellular process in which parts of cells break down for later reuse. 

Autophagy is critical for maintaining proper cell function, and it also helps defend cells in the body. Autophagy plays an important role in preventing and treating cancer.

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IDEA EXTRACTED FROM:

Fasting and cancer: Benefits and effects

Fasting and cancer: Benefits and effects

https://www.medicalnewstoday.com/articles/324169.php

medicalnewstoday.com

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Key Ideas

Fasting improves insulin sensitivity

When more food is available, the cells in the body become less sensitive to insulin. When the food supply is scarce, during fasting, the human body tries to conserve as much energy as possible and cell membranes more sensitive to insulin, metabolising it better. 

Insulin

Insulin is a hormone made by the pancreas that allows cells to extract glucose from the blood to use as energy. It helps keeps your blood sugar level from getting too high

Fasting reverses chronic conditions

... like obesity & type 2 diabetes, both of which are risk factors for cancer. Studies have shown that fasting two to three times per week lowers weight and improves insulin tolerance. 

Fasting promotes autophagy

Autophagy is a cellular process in which parts of cells break down for later reuse. 

Autophagy is critical for maintaining proper cell function, and it also helps defend cells in the body. Autophagy plays an important role in preventing and treating cancer.

Fasting improves quality of life during chemotherapy

Early studies are showing fasting may help reduce chemotherapy-related headaches and nausea, because it promotes cellular regeneration. 

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Ketosis

Is a metabolic state. Think of being in or out of ketosis like the settings in a hybrid car; you can rely on gas or electricity to different degrees.

In ketosis, we...

The function of ketones

Ketones aren’t just a form of energy, they’re powerful signaling molecules. They regulate the expression of genes and dampen inflammatory processes.
Your body is always producing a very low level of ketones, irrespective of your diet. You start producing more of them when following a diet that’s high in fat and low in carbs.

Getting in ketosis

  • The stricter you restrict carbs (or total calories), the quicker you will be in ketosis.
  • Restricting your carb intake to 20g per day is a good heuristic (loose rule) for entering ketosis. It will generally get you into ketosis within a few days.
  • Fasting gets you into ketosis very quickly.

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Intermittent fasting

Fasting means abstinence of some or all food for a period of time.

Intermittent fasting ranges from eating a few calories all day every other day or several times a week to fasti...

A metabolic shift

It can take 10 to 12 hours to use up calories in the liver before your body changes over to use the stored fat.

After meals, glucose is used for energy, while fat is stored in fat tissue. During fasts, once glucose is depleted, stored fat is broken down and used for energy.

The easiest way to lose weight

To lose weight, strive for sixteen calorie-free hours. Stop eating by 8 pm, and eat again at noon the next day. Results can take up to four weeks to notice.

Intermittent dieters should eat healthy foods, including whole grains and healthy fats and protein. They should limit saturated fats and avoid sugar and refined carbohydrates. Be sure to stay well-hydrated.

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Ketosis

... is a normal metabolic process. When the body does not have enough glucose (derived from sugars and starches) for energy, it burns stored fats instead; this results in a build-up o...

Fast facts on ketosis

  • Ketosis occurs when the body does not have sufficient access to its primary fuel source, glucose.
  • Ketosis describes a condition where fat stores are broken down to produce energy, which also produces ketones, a type of acid.
  • In small amounts, ketones serve to indicate that the body is breaking down fat, but high levels of ketones can poison the body, leading to a process called ketoacidosis, a serious condition that can prove fatal.
  • People with type 1 diabetes are more likely to develop ketoacidosis, for which emergency medical treatment is required to avoid or treat diabetic coma.
  • Some people follow a ketogenic (low-carb) diet to try to lose weight by forcing the body to burn fat stores.

The ketogenic diet

The diet itself can be regarded as a high-fat diet, with around 75 % of calories derived from fats,  20 % from proteins and 5 % from carbohydrates.

Adhering to the ketogenic diet can lead to short-term weight loss, consuming fewer calories without feeling hungry while following the diet.

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