Possible causes of stomach, liver, pancreatic cancer
Causes of cancer. Is cancer genetic?...It has been estimated that only about 5-20% of cancer causes can be traced to genes. However, I'm not a medical professional, so let's hear what some have said about the relationship between cancer and genetic.

Smoking harms you and your environment! That is well know, nevertheless you can see many people outside with a cigarette in their hand. The reason: The course of lung cancer is often unnoticed. This leads to a late diagnosis -- which leaves little time for doctors and patients to fight the disease. But there is hope: In future, a blood test may be able to give evidence if lung cancer is present or not.

What causes prostate cancer? The answer is not always easy to find. Experts believe there is a genetic link in some cases. There have also been links to chemical exposure such as Agent Orange. Racial background can also be a factor. American men of African descent are more at risk, as are men of European descent. Men with Asian heritage are somewhat less likely to have prostate cancer.