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In the past decade, there has been increasing concern that hazardous substances in the environment adversely affect male reproductive health. Male fertility has declined with marked increase in the population of sub-fertile. Although the chemical composition of the crude oil varies by source, crude oil and petroleum products share certain toxic characteristics and are toxic to biological life.In our environment, these chemicals are capable of mimicking the inherent actions of reproductive hormones and hence, have the ability to disrupt the neuroendocrine system or the function of the gonads...

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