To the Editor:
According to Siddhartha Mukherjee, world-renowned oncologist and Pulitzer prize-winning author of The Emperor of All Maladies and The Gene, there are two basic ways for cancers to arise. First, by externally inflicted DNA damage, including from radiation, viruses or toxic exposures. The second and arguably (although controversially) more common way is through internal replication error, ie, DNA copying mistakes. Apparently, some transcription errors are easy to make, and they produce a predictable array of common cancers. According to a recent study, more than 95% of brain,
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