The precautionary principle has been incorporated as a belief statement in international agreements for more than a decade. The 1998 Wingspread definition of the principle was the first to bring together four components that, in the past two years, have formed the elements of a broader, overarching approach to precaution that is a robust basis for its specific implementation: prompt action even in the face of scientific uncertainty, burden of proof and persuasion on proponents of potentially hazardous technologies, assessment of alternatives, and transparency. This broad approach to precaution is in direct conflict with the simplistic, easily manipulated principles and methods of risk-assessment-based risk management being exported by U.S. officialdom. In contrast to risk assessment, precaution, broadly defined, incorporates the full range of human intelligence in the task of protecting human health and the environment: flexibility, foresight, fairness, thoughtful consideration, and honesty.
Two conditions establish the threshold for protective action in the presence of scientific uncertainty; 1. Credible evidence that a synthetic chemical can cause biological changes that are known to result in unintended harmful outcomes to human health or the environment in some cases; 2. The presence of such a chemical where it does not belong and where it can cause damage to biological systems (such as human bodies). Acting with foresight takes many forms. We must create and strengthen human health and wildlife monitoring programs to detect and predict harm; take steps to prevent, eliminate, and mitigate exposure when credible evidence of harm is found; monitor novel technologies; consider clusters of problems to be early warnings of harm; and open toxic tort records. All action taken must be based on precautionary definitions of "harm" and "credible evidence" and must include public participation. Significant precautionary actions may be taken on the state and local level in advance of a precautionary national chemicals policy.
SNS (social networking sites) such as Facebook and Twitter are widely used as a source of news, marketing, and entertainment. These online platforms also allow individuals to connect and maintain social ties with others.Researchers have recently begun investigating psychological, emotional, and behavioral correlates of SNS usage.The current study examines the potential benefits of SNS usage for persons serving in a caregiver role. While no differences were observed for perceived social support, SNS usage was negatively related to anxiety and depression levels for caregivers who utilize these platforms frequently.
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