On breakfast and randomised trials

BMJ 2001; 322 doi: (Published 13 January 2001) Cite this as: BMJ 2001;322:85
  1. Andrew Vickers, assistant attending research methodologist
  1. Memorial Sloan-Kettering Cancer Center, New York

    The box says that my son's breakfast cereal “may help lower cholesterol.” I reflected, as I watched him eat, that this would be false only if a randomised trial had been conducted and the confidence intervals for cholesterol reduction had excluded a clinically relevant effect. Even then …

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