During fasting periods, the body's insulin levels decrease, and the body starts to use stored fat as a source of energy. This triggers a process called lipolysis, which releases fatty acids from the fat cells into the bloodstream. The liver then converts these fatty acids into ketones, which can be used by the body for energy.
Ketones have been shown to stimulate autophagy, as they activate certain cellular pathways that help to recycle and repair damaged cellular components. In addition, when the body is in a fasted state, it produces higher levels of certain hormones, such as growth hormone and cortisol, which also promote autophagy.
Autophagy has been shown to have numerous health benefits, including:
- Improved cellular function and longevity
- Reduced inflammation and oxidative stress
- Protection against neurodegenerative diseases, such as Alzheimer's and Parkinson's
- Improved insulin sensitivity and blood sugar control
- Protection against cancer and other chronic diseases
In conclusion, intermittent fasting can promote autophagy, which is a natural cellular process that helps the body to repair and recycle damaged cellular components. By promoting autophagy, fasting can have numerous health benefits and may help to protect against a wide range of chronic diseases.
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