Endocrine-disrupting xenoestrogens in fish may be interfering with male fertility.
Until the 20th century, the average age of puberty for girls was 16 or 17 years old.
Here are some recent videos on xenoestrogens:
Estrogen in Meat, Dairy and Eggs
Alkylphenol Endocrine Disruptors and Allergies
Dairy Estrogen and Male Fertility
Dietary Sources of Alkylphenol Endocrine Disruptors
Male Fertility and Diet
Also check out Xenoestrogens & Early Puberty.
For more context, see my associated blog posts: Mercury Testing Recommended Before Pregnancy; Pollutants in Californian Breast Tissue; Male Fertility and Dietary Pollutants, and Why Are Children Starting Puberty Earlier?
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