The idea that restricting calories leads to weight loss and health benefits including longer life has been around for decades, but intermittent fasting makes it much easier to work into normal life.
Fasting intermittently places just enough stress on the body to trigger SIRT1, the ‘skinny gene’. This speeds up your metabolism, releases fat to be used as energy, and turns off another gene that controls fat storage. In the long term, it’s actually harder for your body to store fat.
It could also have a positive effect against conditions including type 2 diabetes, heart disease and Alzheimer’s.
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