Dr. Bray Links

Monday, February 6, 2017

Xenoestrogens


Having problems with too much estrogen despite having a normal BMI and low alcohol intake? Consider xenoestrogens when heavy menstrual bleeding or fibroids are a problem.

Here are some of the chemicals that are xenoestrogens:

Skincare:

  • 4-Methylbenzylidene camphor (4-MBC) (sunscreen lotions)
  • Parabens (methylparaben, ethylparaben, propylparaben and butylparaben commonly used as a preservative)
  • Benzophenone (sunscreen lotions)


Industrial products and Plastics:

  • Bisphenol A (monomer for polycarbonate plastic and epoxy resin; antioxidant in plasticizers)
  • Phthalates (plasticizers)
  • DEHP (plasticizer for PVC)
  • Polybrominated biphenyl ethers (PBDEs) (flame retardants used in plastics, foams, building materials, electronics, furnishings, motor vehicles).
  • Polychlorinated biphenyls (PCBs)


Food:

  • Erythrosine / FD&C Red No. 3
  • Phenosulfothiazine (a red dye)
  • Butylated hydroxyanisole / BHA (food preservative)


Building supplies:

  • Pentachlorophenol (general biocide and wood preservative)
  • Polychlorinated biphenyls / PCBs (in electrical oils, lubricants, adhesives, paints)


Insecticides:

  • Atrazine (weed killer)
  • DDT (insecticide, banned)
  • Dichlorodiphenyldichloroethylene (one of the breakdown products of DDT)
  • Dieldrin (insecticide)
  • Endosulfan (insecticide)
  • Heptachlor (insecticide)
  • Lindane / hexachlorocyclohexane (insecticide, used to treat lice and scabies)
  • Methoxychlor (insecticide)
  • Fenthion
  • Nonylphenol and derivatives (industrial surfactants; emulsifiers for emulsion polymerization; laboratory detergents; pesticides)
  • Other:
    • Propyl gallate
    • Chlorine and chlorine by-products
    • Ethinylestradiol (combined oral contraceptive pill)
    • Metalloestrogens (a class of inorganic xenoestrogens)
    • Alkylphenol (surfactant used in cleaning detergents

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