Explain Risk Assessment

Risk Assessment  :  The scientific evaluation  of  known  or  potential adverse  health effects  resulting  from  human exposure to food borne hazards.  The process having  of the  following steps: 

(i)  hazard identification

(ii)  hazard  characterization

(iii) exposure assessment, and

(iv) risk characterization.

The definition contains quantitative risk assessment, which emphasizes  reliance  on numerical expressions of risk and also qualitative expression of risk, as well as, an indication of the attendant  uncertainties.