Cancer is disease caused by an uncontrolled division of abnormal cells in certain body part with potential to invade or spread to other body parts or organs. There are two types of cancer: malignant growth or benign tumor. While malignant tumor is capable of invading into adjacent tissues and is capable to spread to distant tissues, the benign tumor is self-limited in its growth.
Medical experts believe that cancer is complex set of many ailments.
Some of the most common causes of occurrence of cancer are:
- Unhealthy nutrition, sedentary lifestyle, tobacco
- Environment exposure to chemicals or radiation
Scientific studies have proven that unhealthy diet and lack of physical activity significantly increase risk of cancer.
According to the World Cancer Research Fund nearly 20% of the American cancer cases …