Endocrine disruptor occur from low-dose exposure to exogenous hormones or hormonally active chemicals such as bisphenol A. These chemical can bind to receptors for other hormonally mediated processes. Furthermore, since endogenous hormones are already present in the body in biologically active concentrations, additional exposure to relatively small amounts of exogenous hormonally active substances can disrupt the proper functioning of the body's endocrine system. Thus, an endocrine disruptor can elicit adverse effects at much lower doses than a toxicity, acting through a different mechanism. The timing of exposure is also critical. Most critical stages of development occur in utero, where the fertilized egg
If We Are the Body If We Are the Body "If We Are the Body" is a song recorded by Christian rock band Casting Crowns. Written by Mark Hall and produced by Mark A. Miller and Steven Curtis Chapman, it was released as the lead single from the band's 2003 self-titled debut album through Beach Street Records on July 26, 2003. The song, originally written by Hall as a "teaching tool" for his youth group, is a CCM and acoustic rock song. It incorporates the violin, mandolin, and accordion in its arrangement and questions why the Christian church does not minister impartially. "If We Are