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EndocrineDisruptors. Endocrine System A system of glands which secrete hormones into the bloodstream to regulate the body. Hormones.

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Presentation on theme: "EndocrineDisruptors. Endocrine System A system of glands which secrete hormones into the bloodstream to regulate the body. Hormones."— Presentation transcript:

1 http://www.treehugger.com EndocrineDisruptors

2 Endocrine System A system of glands which secrete hormones into the bloodstream to regulate the body. Hormones travel to target tissue and there regulate human functions, including metabolism, growth and development, tissue function, and mood

3 PCPPs PCPPs, pharmaceuticals and personal care products, include antibiotics and hormones taken by humans (birth control or replacement therapy, cholesterol- lowering drugs such as statins, anti- depressants) as well as veterinary pharmaceuticals used primarily in agriculture. Personal care products include soaps, sunscreens, perfumes and colognes, hair sprays, and other cosmetics that may contain compounds such as musks, oxybenzone, nanomaterials, triclosan, etc., that could have environmental effects.

4 Pass Through Pollutants

5 Effects AlterationSpecies Effected Interference with steroid hormonesMammals, reptiles, amphibians, and fish Sexual dimorphismRodents, fish, reptiles, birds, marine mammals Thyroid enlargement  Precocious sexual maturation  Poor egg survival  Low egg thyroid hormone content Salmon (in the Great Lakes)  Behaviorial changes  Reproductive loss  Early mortality in offspring Bird species (in the Great Lakes that feed on Salmon) Decline in adult yearly survival rate  Asymmetrical wing development  Altered parental behaviour Gulls Decreased thyroid hormone levelsSeals, polar bears Negative effects on plasma progesterone levels and plasma cortisone levels. Polar bears

6 Central New York

7 Ajax Ontario WWTP DWTP


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