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Risk
Definitions of riskHistorical backgroundRisk vs. uncertaintyInsurance and health riskInsightIn businessRisk sensitive industriesIn public worksRegretFramingFear as intuitive risk assessmentRisk assessment and management
Definitions of riskHistorical backgroundRisk vs. uncertaintyInsurance and health riskInsightIn businessRisk sensitive industriesIn public worksRegretFramingFear as intuitive risk assessmentRisk assessment and management
Insurance and health risk
Insurance is a risk-reducing investment in which the buyer pays a small fixed amount to be protected from a potential large loss. Gambling is a risk-increasing investment, wherein money on hand is risked for a possible large return, but with the possibility of losing it all. Purchasing a lottery ticket is a very risky investment with a high chance of no return and a small chance of a very high return. In contrast, putting money in a bank at a defined rate of interest is a risk-averse action that gives a guaranteed return of a small gain and precludes other investments with possibly higher gain.Risks in personal health may be reduced by primary prevention actions that decrease early causes of illness or by secondary prevention actions after a person has clearly measured clinical signs or symptoms recognized as risk factors. Tertiary prevention (medical) reduces the negative impact of an already established disease by restoring function and reducing disease-related complications. Ethical medical practice requires careful discussion of risk factors with individual patients to obtain informed consent for secondary and tertiary prevention efforts, whereas public health efforts in primary prevention require education of the entire population at risk. In each case, careful communication about risk factors, likely outcomes and certainty must distinguish between causal events that must be decreased and associated events that may be merely consequences rather than causes.