<prompt> Any loss or abnormality of psychological, physiological or anatomical structure or function is known asDiseaseDisabilityImpairmentHandicap  <response>: Impairment - Any loss or abnormality of psychological, physiological or anatomical structure or function. Disability - Any restriction or lack of ability to perform an activity in the manner or within the range considered normal for a human being. Handicap - A disadvantage for a given individual resulting from an impairment or a disability, that limits or prevents the fulfillment of a role that is normal depending on the age, sex, and social and cultural factors for that individual. Ref: Park;s Textbook of Preventive and Social Medicine,24th edition,Page no. 48 