A survey of 317 U.S. adults found 9.5% were told about the possibility of overtreatment and overdiagnosis when talking with physicians about cancer screenings, although 80% said they wanted to know about possible harms. Researchers from the Max Planck Institute for Human Development in Berlin wrote in JAMA Internal Medicine that the "few who received information about over-treatment had unrealistic beliefs about the extent of that risk" and added physicians themselves may be uninformed about the risks of screening.

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