Reasons of cancer
Reasons of cancer
Oncology is a medical sphere that mainly deals with one of the most problematic illness – cancer.
There are millions of people suffering from malignancies. The world Cancer Reports observe the development and spreading tendencies of cancer each year and try to take action in reducing sickness rate.
Millions of cases appear annually in the world. There are lots conditions that increase cancer risk and lead to the tumor but the major reasons are still the same:
- Consumption of tobacco. Reducing it is the main thing that should be done to avoid cancer risk. Nearly 100 million smokers died worldwide through the 20th century from diseases caused by this habit.
- Unhealthy western lifestyle. The lack of physical activity eating of highly caloric food, rich in fat, animal protein, carbohydrates result in energy misbalance in the organism.
- Infections. Such illnesses as hepatitis B and C, human papillomaviruses, Helicobacter pylori are frequently caused by chronic infections and infectious agents. This problem is especially urgent for developing countries where public health infrastructure is undeveloped. Only chronic infections provoke 8 per cent of all malignancies.
World wide investigations prove that public health action by governments on preventing smoking, popularization of the health way of leaving and early detection of infections with following treatment can prevent one third of cancers.