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Posted Mon Nov 8 2010: from Environmental Health Perspectives:
Chemicals in cosmetics, moisturizers linked to DNA damage in human sperm.
One type of paraben preservative -- butyl paraben (BP) -- was linked to DNA damage in men's sperm, according to a study that compared the levels of this compound to several reproductive measures in men. DNA damage in sperm cells can have negative effects on men's reproductive potential. The findings indicate that the higher the BP levels, the more DNA damage the sperm had. The relationship was even stronger when BP and bisphenol-A (BPA) levels were considered together. This is the first study to look at the relationship between paraben levels in men and sperm health. A prior study found that the late stages of sperm production were affected in mice fed BP. The results warrant further investigation into effects of parabens on men's sperm health as well as their effects on female reproductive systems and pregnancy and birth measures, given that women typically have higher levels of parabens than men. Parabens are a group of antimicrobial chemicals often used to preserve cosmetics, pharmaceuticals and sometimes food. They are added to numerous personal care products -- including make-up, shaving gels, lotions and creams -- and some food and drinks.
[Read more stories about: contamination, falling fertility, endocrine disruptor, health impacts]
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