Groupthink came into play in experiments where four or more people were involved in the process. Groups of two equallymatched subjects with unlimited time to converse and reaffirm one another, and who were honest in their selfassessments, always outperformed individuals in the visual recognition experiments. When one member had worse vision, performance went down significantly.Those are scary numbers, and they've come about because of a lowering of the blood glucose level thresholds that are used to diagnosis type 2 diabetes and now its recently proclaimed precursor, prediabetes. But as Fuller documents, prediabetes is not a universally accepted diagnosis. In Europe, the preferred term is "nondiabetic hyperglycaemia," and the diabetes community there has been urged "to avoid the use of the term 'prediabetes' when describing those with an impaired fasting glucose," writes Fuller..

Davis died on Oct. 8, and, even nine months after his passing, it still re