Excess Weight Tied to Higher Risk for Many Cancers (another 'not so fast')

MedNews

Dr. Clifford Hudis, chief executive officer of the American Society of Clinical Oncology, reacted to the findings with caution, stressing that "cause and effect is not proven."
He added that it's premature to conclude that "obesity is the cause of any individual's cancer."

 The study (requires subscription) was published Aug. 25 in the The New England Journal of Medicine. It was funded in part by the American Cancer Society and the U.S. Centers for Disease Control and Prevention.