Tumors are unnatural lumps or growth formed by extra cells in the body. A tumor can be benign (not cancerous), pre-malignant (pre-cancerous), or malignant (cancerous).

Tumors are unnatural lumps or growth formed by extra cells in the body. A tumor can be benign (not cancerous), pre-malignant (pre-cancerous), or malignant (cancerous). A cyst, on the other hand, is a common...

The human body is complex. At times, the cells of the body do not act in the way that they should. They may start to divide and grow uncontrollably. These extra cells tend to get stuck together and start...

The main difference between the regular flu and swine flu is the fact that they are caused by different pathogens. Influenza, commonly known as the flu, is caused by the RNA viruses of the family...

Signs are the physical manifestation of the illness, injury or disease. It is objective, which means that it can be seen and measured, usually by a doctor or a nurse. Symptoms, on the other hand, are things...