Abstract: Environmental forces impacting public health include exposure to toxic substances, adverse childhood experiences (ACEs), diet, and exercise. Here, we examine the first two of these forces in some detail since they may be amenable to correction through cultural, medical, and practitioner intervention. At the same time, changing people's dietary and exercise routines are likely more resistant to these interventions and are referred to only incidentally in this review. That is, societal efforts could prevent exposure to toxicants and ACEs-not necessarily requiring cooperation by the affected individuals-whereas changing diet and exercise practices requires an individual's discipline. Toxic substances considered in this review include endocrine disruptors, arsenics, 2,3,7,8-Tetrachlorodibenzo-p-dioxin (TCDD), the organic solvent, Trichloroethylene (TCE), and the Benzo[ a ]pyrene (B[ a ]P) produced from incomplete combustion of tobacco and other organic materials. Exposure to each of these toxic substances may have serious adverse health effects, especially in genetically more susceptible individuals. For example, children of mothers exposed to the endocrine disruptor, Atrazine, have significantly lower birth length, weight, and head circumference. Moreover, male offspring exhibit genital abnormalities, and all of these effects may be transgenerational. However, analyses of interactions among genes, the environment, and epigenetic modifications have already revealed distinctive individual risks of adverse reactions to toxic exposure. So, interventions through precision medicine might improve the health of those exposed individuals. Adults previously exposed to more than one ACE (e.g., child abuse and inter-parental violence) are more likely to develop anxiety, cancer, and diabetes. Detecting ACE exposures in children in the general population is fraught with difficulty. Thus, the risks of ACEs to our health remain even more insidious than exposures to toxicants. Nevertheless, higher provider compassion is associated with significantly better clinical outcomes for patients with these afflictions. For all these reasons, the first major aim of this review is to recount several of the major forces contributing to or impairing public health. Our second major aim is to examine mitigating influences on these forces, including social justice and provider compassion in the setting of precision medicine. Idealistically, these mitigators might eventually lead to the development of more cooperative and compassionate cultures and societies.
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