Many cause of cancer

Cancer is a group of many related diseases. All cancers begin in cells, the body's basic unit of life. Cells make up tissues, and tissues make up the organs of the body. There are two types of tumors : Benign and Malignant.
Benign tumor is not considered as a cancer but Malignant is considered as a Cancer. Cancers are also of many types mainly caused at different specific regions of the body and have different general causes.

Seventy to eighty percent of cancers are due to smoking. Smoking is a majoy risk and a cause to get cancers in noticeable parts of the body like the Respiratory tract, Esophagus, Larynx, Bladder, Pancreas and liver, kidney and stomach.Women who smoke are most risk to Pancreas cancer then man.

Alcohol is another major factor to cause of Liver cancer. If alcohol and tobacco are taken together, then they are the major risk factors in the cause of Mouth, Pharynx, Larynx and Esophageal cancers.

A virus called as Human Papilloma Virus, is known to cause cancer of the Cervix. This is sexually transmitted between the individuals. Also women who are without children are usually having risk of Ovarian or Breast Cancer.

Improper Diet is also a major cause of cancers. About 40 percentage of the cancers caused are due to imbalanced diet and heavy taking of foodssuch as Colon, Rectum, Pancreas, Prostrate, Gall Bladder, Ovaries and Uterus.