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Soy Beans Adversely Affect Sperm Production in Men
Scientists in China have found that a naturally-occurring ingredient of soy beans, increasingly sold as substitutes for dairy-based food, interferes with a part of the male reproductive system involved in sperm production.
There is already evidence to suggest that soy beans contain natural chemicals that mimic the effect of female sex hormones.
Soy contains genistein, known to interact with the 'receptor' molecules on cells designed to respond to oestrogens.
A new study by Ren-Shan Ge of the Wenzhou Medical College in China found that genistein could interfere with the production of vital enzymes involved in producing sperm.
"Following ingestion, soy isoflavones are known to reach the reproductive organs. Thus, excessive exposure to agents that exhibit oestrogenic activity may affect male reproductive tract developments and functions," the Independent quoted the researchers as saying.
"With regard to this concern, it has been estimated the genistein and daidzein can reach high concentrations in infants who consume large amounts of soy-based products," they added.
The concentrations of genistein used in the study are roughly equivalent to the levels that can build up in the human body following a diet rich in soy products.
There is already evidence to suggest that soy beans contain natural chemicals that mimic the effect of female sex hormones.
Soy contains genistein, known to interact with the 'receptor' molecules on cells designed to respond to oestrogens.
A new study by Ren-Shan Ge of the Wenzhou Medical College in China found that genistein could interfere with the production of vital enzymes involved in producing sperm.
"Following ingestion, soy isoflavones are known to reach the reproductive organs. Thus, excessive exposure to agents that exhibit oestrogenic activity may affect male reproductive tract developments and functions," the Independent quoted the researchers as saying.
"With regard to this concern, it has been estimated the genistein and daidzein can reach high concentrations in infants who consume large amounts of soy-based products," they added.
The concentrations of genistein used in the study are roughly equivalent to the levels that can build up in the human body following a diet rich in soy products.
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More News on: Genetics of Male Infertility, Artificial Insemination , Undescended Testis, Soy / Soya - A Holy Food, Testicular Cancer, Varicocele, Premature Ejaculation, Types of Food Allergies, Sex Numbers
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