【含激素的食物對身體有害？】- 營養生Negimen

【含激素的食物對身體有害？】我們常常聽到含有激素的食物對身體有害，但激素又是什麼呢？是不是所有激素都對身體有害呢？我們先來了解一下什麼是激素。

激素又稱為荷爾蒙，有分為兩種：天然和人造激素。天然激素由身體器官自行分泌，通過血液運送到指定位置，對生長、發育和生殖等各種生理變化起著重要的協調作用。與肉食有關的激素有皮質醇、生長激素及雌激素

而人造激素就模儀天然激素的結構，從而達到類似的效果。很多農場的飼養者為了加快動物，如豬、雞的生長和牛奶的產量，都會使用到人造生長激素，例如二苯乙烯類激素，能令家禽的身體，特別是胸部和腿部的脂肪增加，令肉質更加嫩滑。

攝取過量的雌激素會減低女性排卵以至生育能力。而男性體內雌激素過多，亦會導致胸部變大。而雖然人造激素進入雞隻後經血管傳遍體內，會被身體吸收，但每天要吃到大量含人造激素的同一款肉類才會攝取過量。而且香港已規管及禁止使用激素飼養禽畜或進口，所以都不用太擔心，市民仍需大量進食才會攝取過量激素。

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【Is hormonal food harmful to human's health?】We often hear that foods containing hormones are harmful to the body, but what are hormones? Are all hormones harmful to the body? Let's get to know what hormones are.

Hormones are divided into two types: natural and artificial hormones. Natural hormones are secreted by body organs and transported to designated locations through the blood. They play an important role in coordinating various physiological changes such as growth, development and reproduction. Hormones related to animals are cortisol, growth hormone and estrogen.

The artificial hormones mimic the structure of natural hormones, so as to achieve a similar effect. In order to speed up the growth of animals, such as pigs and chickens, and milk production, many farmers on farms use artificial growth hormones, such as stilbene hormones, which can increase the fat of the poultry’s body, especially the breasts and legs, and which makes the meat more tender and smooth.

Excessive intake of estrogen can reduce female ovulation and fertility. Too much estrogen in men can also lead to enlarged breasts. Although artificial hormones which enter the chickens and spread throughout the body through blood vessels will be absorbed by the body.

Moreover, Hong Kong has regulated and banned the use of hormones to raise poultry and livestock or import them, so there is no need to worry too much. People only get excessive hormone intake from consuming a large amount of meat with added artificial hormones.

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