Common diseases that occurs in the human body
Good health is not only freedom from sickness and diseases but a complete absence of anxiety, social and psychological tensions. Any abnormality in the functioning of the body is termed as disease. There are diseases like cholera, tuberculosis, common cold, chicken pox, typhoid, diarrhoea and gastroenteritis, polio and rabies. In our daily life, we continuously interact with various elements of environment. Some unfavourable environmental factors may adversely affect our body and cause some disease. These factors may be inside the body or outside the body. The factors inside the body are malfunctioning of an organ or part, hormone or immune system of the body. The outside factors include lack of diet, influence or effect of disease causing organisms and environmental pollutants. The diseases caused by inside factors can be prevented and cured by taking medical treatment. Diseases caused by outside factors , on the other hand, c...