Then Jesus was led by the Spirit into the wilderness to be tempted by the devil. After fasting forty days and forty nights, he was hungry. The tempter came to him and said, “If you are the Son of God, tell these stones to become bread.”
Fasting Improves Your Brain, Muscles, and Organs
“As a result, in the long run, fasting benefits the brain, muscle, liver, and adipose tissue through various biological mechanisms”
I would argue that one of the reasons Christ had incredible endurance was through the physiological adaptions he received from going through prolonged periods without food. Even five days without nutrients has been shown to cause improvements in ones health, but Christ went forty days.
Autophagy is How Cells are Recycled for Resources
“Fasting has been demonstrated to have significant restorative benefits through molecular mechanisms, such as enhanced autophagy and sirtuin activity”
Autophagy is what occurs when the body is deprived of nutrients and has to search through cells to find wasted resources that can be recycled. So in this process, dying cells are broken into scrap parts and used to supply muscles and the brain with energy.
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