In recent years, the incidence of cancer has shown an obvious upward trend, which has caused widespread concern and deep reflection. Cancer is not only a medical problem, but also a social problem, which affects the happiness and health of countless families. So what has caused the dramatic rise in cancer rates in recent years?

First of all, the change of life style is an important factor that cannot be ignored. With the development of economy and the improvement of living standards, people's diet structure has undergone great changes. Fast food, fried food, sugary drinks and other high-calorie, high-fat foods have gradually become a part of People's Daily diet, and these unhealthy eating habits are easy to lead to obesity, high blood sugar and other chronic diseases, thereby increasing the risk of cancer. In addition, lack of exercise is also a common phenomenon in modern life. Sitting for a long time slows down the body's metabolism, decreases the function of the immune system, and weakens the body's resistance to cancer cells.

Secondly, environmental pollution is also one of the important reasons for the increase in cancer incidence. Urbanization is accelerating, and industrial emissions, vehicle exhaust and chemicals are increasingly polluting our air, water and soil. These harmful substances enter the body through breathing, ingestion and skin contact, and may directly damage cells, trigger genetic mutations, and thus induce cancer. In addition, many studies have shown that some heavy metals and chemicals (such as asbestos, benzene, etc.) are closely related to many types of cancer.

Moreover, mental stress is creeping up. In modern society, competition is fierce, and people face great pressure from work, study and life. This long-term psychological burden in a tense state not only affects people's emotions, but also damages physical health through endocrine disorders and other ways. Studies have shown that people with high levels of anxiety and depression have a significantly increased risk of cancer. Therefore, while pursuing success and development, we should also pay attention to maintaining mental health in order to reduce the adverse effects on the body.

In addition, the development of early screening and diagnostic technology has also contributed to the improvement of cancer incidence statistics. In the past, due to limited medical conditions, some early tumors were not detected in time. Today, the increasing availability of screening means that more people can be diagnosed with cancer at an early stage. Although this seems to increase the number of cases, it is actually a "tip of the iceberg" phenomenon, which is the result of our deepening understanding of the disease. Finally, we can not ignore the importance of genetic factors for some types of cancer. Although our environment and lifestyle greatly affect our health, there is still a strong genetic predisposition for some malignancies. For example, breast cancer, colorectal cancer, etc. are closely related to family history. Therefore, for people with a family history, regular physical examinations are needed to facilitate early detection and early treatment. To sum up, in recent years, cancer rates are high, is the result of joint action of many factors: lifestyle, environmental pollution, stress, and the development of medical detection technology and so on. In this era of information explosion and rapid pace, each of us should pay more attention to ourselves and the surrounding environment, start from improving living habits, and improve their own health literacy. At the same time, we also hope that all sectors of society can strengthen their support for the cause of fighting cancer, and work together to create a better future!