Preprint Editorial Version 1 Preserved in Portico This version is not peer-reviewed

What Is the Main Cause of Cancer?

Version 1 : Received: 10 August 2016 / Approved: 11 August 2016 / Online: 11 August 2016 (11:40:40 CEST)

How to cite: López-Lázaro, M. What Is the Main Cause of Cancer?. Preprints 2016, 2016080130. López-Lázaro, M. What Is the Main Cause of Cancer?. Preprints 2016, 2016080130.


Tobacco use, most people would say. Smoking tobacco increases the risk of developing many types of cancer and is responsible for approximately one-third of all cancer deaths. The association between tobacco use and lung cancer is well known; lung cancer occurs about 20 times more often in heavy smokers than in nonsmokers [1]. However, many lung cancers are diagnosed in never smokers [2], and most smokers do not develop lung cancer [3,4].


carcinogenesis; cancer; age distribution of cancer


Medicine and Pharmacology, Oncology and Oncogenics

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Received: 2 August 2017
The commenter has declared there is no conflict of interests.
Comment: My answer to this question: The accumulation of cell divisions in stem cells
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