At dusk feel irresistible desire to eat meals
and snacks and even without hunger ingest ...
Circadian rhythm of serotonin and addictive
impulses.
The obese
do not eat willingly, but compelled by forces addictive then seize them and
imposed on carbohydrates the most fattening hours. This behavior, typical of
such obese due to oscillations having brain serotonin throughout the day.
This chemical substance has antidepressant effects, and its
secretion fluctuates repeatedly every 24 hours, receiving the designation of
circadian rhythms, ie rhythms repeated every day.
Serotonin
secretion is controlled by two brain regions: the hypothalamus and the pineal
gland, also called << the third eye >> that work to the rhythm of
day and night, in accordance with the rays of light and darkness.
Serotonin
remains high for much of the night. At dawn, begins a gradual decline and about
four in the afternoon, serotonin levels suffer a sharp fall.
As this
substance has antidepressant effects that give joy, happiness and tranquility
its descent at sunset causes sadness, loneliness, helplessness, anxiety and
nervousness.



