Many people think that cancer is a "modern disease" because "I have never heard of it before". Recently, there seems to be some research to support this view. Recently, a report by the British "Daily Mail" was introduced into the country, and It has attracted a lot of people's attention: through the research of mummy, the two scientists found that the ancients were cancer-free, and cancer was "artificial modern disease", and even said that "the death rate of humans has started to soar since the Industrial Revolution. " People who know it will probably find this conclusion very weird. "Human mortality" has always been 100%, and why it "surges". Various carcinogenic factors in nature, such as ultraviolet rays, environmental toxins, moldy foods, carcinogenic viruses, etc. It has been in existence since ancient times, but the research described in the report is real, and related papers have been published in the latest issue of the Natural Cancer Review. the author thinks:. ['Cancer is closely related to industrialization.', 'Cancer is increasing in modern people.', 'Cancer should be blamed on environmental pollution.', 'Cancer has existed since ancient times.']