Chronobiology and nutrition

Chronobiology and nutrition

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Chronobiology, to understand what rhythms our body follows and how to support them in order to really rest and have the energy and strength at the right time of the day. There chronobiology is related to problems with insomnia and feelings of fatigue, seasonal depressions and lack of concentration.

Sometimes these disorders have medical causes but other times they are due to one natural rhythm shift of our organism that we have consciously or unconsciously implemented. Today that we are hyper-connected and flooded with artificial light, that we can sleep or wake beyond the cycle of day and night, the chronobiology remains a point of reference in order not to pay for modernity and innovation in health, indeed, to ride them.

Chronobiology: definition

From the Greek χρόνος chrónos 'time' and from biology, ('study of life'), this term indicates that branch of biology that studies periodic (cyclic) phenomena in living organisms and how they (including us) adapt to solar and lunar rhythms.

Chronobiology is not a closed sector but an interdisciplinary one, it interacts with medicine, with many branches of medicine, and with other sciences. Just think of its importance in sleep and endocrinological disorders, in diseases related to aging or problems in the field of sports medicine or space.

However, a clarification should be made: the theory that claims to describe a set of cyclical variations in the human behavior based on physiological and emotional cycles.

Chronobiology and nutrition

When following a diet or simply wanting to eat healthily, it is important to look at what you put on your plate but also when. Many ideas on the link between chronobiology and nutrition are in book by Marie BorrelThe secrets of chronobiology”Also for sale on Amazon. Its pages illustrate the signals that our internal clock sends us and are explained some methods to synchronize to them. When the feeding rhythm is correct, numerous are obtained benefits both physically and mentally.

In the book there is also a test to understand that "chronotype" we are in various areas: sleep, nutrition, mood, sports performance, beauty and body care, mental and work performance.

Hormonal chronobiology

Hormones follow the biological clock, their production and their peaks have a "certain" rhythm that chronobiology studies. In general, the action of hormones is governed by concentration of the hormone itself, the abundance of receptors, the state of activity of post-receptor signals and others environmental / behavioral factors, the day / night cycle or fasting / feeding. Some hormones such as cortisol, GH, prolactin, thyroid hormones and gonadal steroids are also influenced by the hypothalamic-pituitary axis.

Chronobiology and organs

Anatomy, physiology, genetics, molecular biology and ethology often make use of chronobiological concepts to deepen their studies or to connect them with each other. It is known that the activity of the organs follows a certain rhythm, each organ has its own and as the species varies, these cycles also change. Just think of the times of different animals, and of man, in eating, sleeping, mating, migrating.

The link between the activity of the organs and time it is in some almost everyday situations. The fact that the body temperature peaks between 16 and 18 is a sign of an improvement in reactive skills and an increase in metabolism that facilitates the production of energy. In the morning, the brain works best and during the day there are times when it is better to train and at others less. In fact we study what time to train for best results.

Chronobiology and circadian rhythms

THE circadian rhythms and chronobiology are closely linked, in this discipline the circadian rhythms are at the center of the game together with other "rhythms".

If circadians have a cycle of about 24 hours, the rhythm infradiano it is longer than a day and is what regulates the menstrual cycle, annual migration or tidal cycles. The ultradian rhythm is shorter than a day and affects phenomena such as the 90-minute REM cycle, the nasal cycle of 4 hours, or the growth hormone production cycle 3 hours.

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You may also be interested in:

  • How to sleep well
  • Chronic insomnia

Video: Light, Sleep and Circadian Rhythms: Biology to Medicine (May 2022).


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