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CHRONOBIOLOGY

CHRONOBIOLOGY

CHRONOBIOLOGY

What is chronobiology?

Historically chronobiology was first used in the medical sphere in particular for choosing the best time to administer medicines either to optimise their efficacy or reduce secondary effects.

CHRONOBIOLOGY
1 - What is the chronobiology?

Historically chronobiology was first used in the medical sphere in particular for choosing the best time to administer medicines either to optimise their efficacy or reduce secondary effects.
 
2 - How does the chronobiology work?

The human body has a hierarchy of biological rhythms and a number of biological clocks.

Biological rhythms program how the body works: food intake, physical and intellectual activity, sleep. They depend on heredity. The most obvious synchroniser is day/night alternance.Biological clocks are located in organs such as the brain, liver, kidneys and help orchestrate and balance the biological rhythms. They are permanently linked to the environment and synchronised with it.

Chronobiological rhythms can function over 24 hours (circadian), 28 days (monthly), 3 months (seasonal) and even longer in the case of climateric rhythms lasting 7 to 9 years.
 
3 - Chronobiology applied to nutrition: chrononutrition

Chrononutrition enables the body to be provided with a nutrient (or nutrients) at the precise moment it needs it most or when it will have most impact on our physiology.
Secretions linked to food intake are diverse: enzymatic, hormonal. They are not constant for the same type of meal or all through the day. This means that the body will get more or less benefit from a food depending on what time of day it is consumed. 
If we take the specific problem of weight gain, we can see that modification to activity patterns in recent years has influenced eating patterns.

From a slimming chronobiology viewpoint, daytime is identified as a catabolic phase when most of our fat and waste elimination takes place, and night-time as a fat storage phase. For effective slimming it is therefore best to avoid over rich meals in the evening and make sure we have a balanced breakfast adequate to provide us with the energy we need in the day.

As regards the nutritional strategy to adopt we need to target the "slimming" organs, and especially fatty tissue (made up of millions of fat cells: adipocytes), the liver (the key storage/elimination organ), the pancreas, the kidneys (to manage water retention) and the digestive tract (for its enzyme functions). We need to stimulate the elimination and detoxification phases in the daytime and slow down the nocturnal storage phase.

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