cancer

Air pollution and cancer

Emissions from motor vehicles, industrial processes, power generation, household combustion of solid fuel and other sources pollute the ambient air in urban centers. The chemical and physical characteristics of the mixture of air pollutants vary among locations on account of…

Physical activity and cancer

Introduction The inverse associations between physical activity and overall mortality, as well as the risk of cardiovascular disease, diabetes, osteoporosis and obesity have been well documented. A protective role of physical activity regarding cancer incidence and mortality has also been…

Infectious agents and cancer

Over the last 50 years, advances in the fields of biology and epidemiology have largely clarified causal associations between certain infectious agents and malignancies. Worldwide, infections are linked to about 15–20% of cancers; in developing countries, 25% of all cancers…

Smoking and cancer

Smoking is considered to be responsible for the most tragic epidemic of the 20th century, an epidemic that appears to be continuing into the 21st century in many countries, including Greece. Smoking represents the main environmental cause of cancer, accounting…

Diet and cancer

There is substantial evidence showing that diet plays an important role in the protection and promotion of overall health and in the prevention of major chronic diseases, such as cancer (WHO/FAO, 2003; WCRF/ AICR, 2007). It is estimated that a…