Rule 3. Eating chronotype. Food chronotype is the preferences of people associated with the time of day when they eat most of their calories. Scientists have found that the work of digestive system is closely connected with the system of our circadian rhythm. Not only the brain working as our central clock (a special part of brain called suprachiasmatic nucleus) but also liver, muscles, gastrointestinal tract, white adipose tissue and some other working as a peripheral clock, control the work of digestive system. The production of hormones, the insulin sensitivity, and the metabolic activity of liver change at different times of a day. In the process of evolution, the organism and its work has adapted to the day-night cycle. The activity of many genes changes in circadian rhythm. Ideally, the eating window should coincide with the light window of the day and with the time of greatest activity of a person. The greater the divergence between the time of the eating window and t...
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