Page 3 - 2- Lesson Notes- Health and its failure; Disease and its causes
P. 3

Both healthy and disease-free are states of humans who are normal. A healthy person

               can be disease-free but a disease-free person need not be healthy.


                                   Healthy                                      Disease Free

                 A  state  of  complete  physical,  mental  and  State  of the absence of  discomfort in  any
                 social well being                               part of the body

                 It depends upon the individual as well as on  It depends on the individual only
                 social and environmental factors

                 A healthy person will be disease-free           A disease-free person may or may not be

                                                                 healthy
                 A healthy person is energetic and is able to  The performance of a disease-free person

                 perform as per the requirement                  depends  upon  the  environment  and
                                                                 personal attitude




               Basic conditions for good health:

                   •  Proper balanced and nutritious diet.

                   •  Personal hygiene.
                   •  Clean environment and surroundings.

                   •  Healthy air, no pollution in the surrounding.

                   •  Regular exercise.
                   •  Proper rest.

                   •  Good standard of living and economic status


                   DISEASE AND IT’S CAUSES:

                   Symptoms-These are the manifestations or evidences of the presence of diseases.
                   Symptoms indicate that there is some abnormality in the body. Symptoms do not
                   give any exact cause of the disease.
                   Signs- These provide information about the presence of particular disease. These
                   are distinct for different diseases.


                     Causes of diseases
   1   2   3   4   5   6