The various diseases that affect human health are chikungunya, swine flu, lymphorrhoea scrotum, headache, cold, fever, malaria, diabetes, osteoarthritis, stomach-ache, ear ache, epilepsy, cancer, asthma, blood pressure, jaundice, typhoid, pneumonia, chicken pox, tooth ache, Acquired Immune Deficiency Syndrome (AIDS) and many more diseases. In these diseases some of the diseases are common diseases or infections they are fever, cold, headache, tooth ache and ear ache. The most dreadful diseases are chikungunya, swine flu, Acquired Immune Deficiency Syndrome (AIDS), asthma and lymphorrhoea scrotum. The other diseases are the seasonal diseases which come and go in a particular season.