AI ethics on Friday, 6 February 2015

BACKGROUND: Tooth loss may be a modifiable risk factor for memory disorders, but the causal relationship has not been evaluated sufficiently. OBJECTIVE: This 5-year prospective cohort study investigated the effect of tooth loss on the development of mild memory impairment (MMI) among the elderly. METHODS: Data are from the baseline and follow-up examinations of 2,335 community residents who were cognitively intact at baseline. The number of remaining teeth at baseline was classified as zero, 1-8