Hitaus Hernia can be defined as displacement of a portion of the stomach through the opening in the diaphragm through which the oesophagus passes from the chest to the abdominal cavity.

Worms and other intestinal parasites which infest human beings are found in all countries of the world. However, they are more common in tropical and subtropical areas and are widely prevalent during the rainy seasons.

Malaria is a serious infectious disease. It is one of the intermittent fevers which have a tendency to return again and again to haunt the sufferer. The word malaria comes from the Italian malaria, meaning bad air as it was once supposed to be caused by bad air. It is one of the most wide spread diseases in the world, especially in tropical and subtropical regions.

Whooping cough or pertussis, as it is called in medical parlance, is a contagious disease. Unlike some other diseases, a new born baby has no immunity to this disease, and can get it any time after birth. It commonly affects infants during the first year of their life, when it is very severe and most of the deaths due to it occur during this period.

Halitosis refers to bad breath which is not only a sing of ill- health but it is also a social stigma. It is common in many people at all times and in all people some of the time. Unfortunately, most people who offend in this respect are completely unaware of their problem and the discomfort they cause to others.

Measles, a highly infectious disease, is very common in childhood. It is so common at this stage of life that nearly all children everywhere in the world go through this brief period of red spots.

Mumps are the epidemic Parotitis refer to a virus infection of the salivary glands, gonads, and occasionally other parts of the body. It is a contagious disease that occurs most frequently in children and young persons between the ages of five and fifteen years.

Pleurisy is an inflammation of the pleura, a serous membrane which envelopes the lungs and also lines the inside of the chest. It may be acute or chronic, and mild or severe, the disease may be limited to one side of the chest or it may include both the sides.

Pneumonia refers to the acute inflammation of the lungs. It is one of the most serious infectious disease. There are basically two types of penumonia, called lobar pneumonia and bronchopneumonia