HUMAN NUTRITION

Detailed explanation-1: -A medical sign is a physical response linked medical fact or characteristic that is detected by a physician, nurse, or medical device during the examination of a patient. They can often be measured, and this measurement can be central to diagnosing a medical problem.

Detailed explanation-2: -A symptom is the subjective experience of a potential health issue, which cannot be observed by a doctor. Examples include stomach cramps as a result of eating undercooked meat, a throbbing headache brought on by stress, or an overwhelming feeling of fatigue.

Detailed explanation-3: -One can observe signs by feeling, hearing or seeing them and it is the objective evidence of disease. For instance, swelling, bleeding, fractures, these all are examples of signs. Thus, signs physically demonstrate a disease which others are able to detect.