Social isolation is a potent predictor of poor health, mortality, and dementia risk. A great deal research across national contexts provides causal evidence for these linkages identifies key explanatory mechanisms through which affects health. Research on social recognizes that some people are more likely than others to be isolated, but over the past several decades, researchers have focused pr...

original article   in order to achieve safe conditions at workplace should correctly understand the concept of hazard. in the hazard conceptual and common definition this means that dangerous event or situation that may lead to an emergency or disaster. it could also be a biological, chemical, or physical agent in (or a property of) an environment that may have an adverse health effect, or may ...