In a healthy person, the production of ketones for energy is the body's natural response to starvation, so this happens when dieting, overnight and during fasting. (thomasdelauer.com)
Your Body response to starvation is to accumulate as much energy fuel -LCB- stored as fat -RCB- as possible. (exercisegoals.com)
«And this allows the cells to regulate a vast number of genes, which then allows it to better adapt and survive in response to starvation and stress.» (scientificamerican.com)