鏈接裏有解釋

http://www.sciencedaily.com/releases/2016/01/160104080034.htm

"We found that sucrose intake in mice comparable to levels of Western diets led to increased tumor growth and metastasis, when compared to a non-sugar starch diet," said Peiying Yang, Ph.D., assistant professor of Palliative, Rehabilitation, and Integrative Medicine. "This was due, in part, to increased expression of 12-LOX and a related fatty acid called 12-HETE."

值得注意的是試驗老鼠喂的是蔗糖，對比試驗用的“無糖澱粉”飲食。

以前有研究表明癌症和胰島素耐受之間的關係，這裏好像發現了新的機製，因為蔗糖的生糖反應不一定比一般澱粉高。