Common Pollutants May Damage Sperm
A common type of pollutant widely found in the environment may damage sperm, according to a new report.
European researchers found rising levels of polychlorinated biphenyls (PCBs), a now-banned class of chemicals with about 200 toxic byproducts, in the blood was associated with rising levels of DNA damage to sperm. Among men with the highest levels of PCBs in their blood, up to 60% of their sperm displayed signs of damage.
According to the Agency for Toxic Substances and Disease Registry, PCBs are synthetic compounds that were used in the past as coolants and lubricants for a variety of equipment. In 1977, their manufacture was banned due to health concerns. However, items such as lighting and electrical devices made before 1977 may still harbor PCBs.
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Common Pollutants May Damage Sperm
posted by J. Raizel @ 9:43 AM
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3 Comments:
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