Читать книгу Fundamentals of Cancer Detection, Treatment, and Prevention - Surya K. De - Страница 17

Cancer is a major public health problem worldwide and the second leading cause of death after heart disease. Cancer has a huge impact on society in the United States and across the world. Statistical data documents the tremendous numbers of people diagnosed with cancer each year, along with mortality rates. These numbers are further broken down to show the incidence and effects of cancer within various groups defined by age, sex, ethnicity, geographic location, diet, lifestyle, and other factors.

Figure 1.1 The human body contains internal organs and systems, any of which can be the origin of cancer.

According to the World Health Organization:

 Cancer is the second leading cause of death globally, and is responsible for an estimated 10 million deaths in 2020, and an estimated 19.3 million new cancer cases.

 Globally, about 1 in 6 deaths is due to cancer.

 Approximately, 70% of deaths from cancer occur in low‐ and middle‐income countries.