According to medical records, the global incidence of cancer in the second half of the 20th century than the first half of the increase of nearly 10 times, become a threat to human life of the first killer. This shows that the global ecological imbalance caused by the rapid economic development marked by high technology in the second half of the 20th century is an important cause of cancer.
The statement 'High technology has greatly improved the human ability to prevent and treat cancer, effectively prolonging the life time of cancer patients' can weaken the above argument, except.