Tea, coffee, and sweet tooth: towards a Japanese paradox.

摘要

This month's issue of Preventive Medicine includes a noteworthy article by Koyama and colleagues, involving a large (12,000 men and 13,000 women) cross-sectional, population-based study conducted in December 2006 on the association between tea/coffee consumption and tooth loss among the 40-64 year-old residents of Ohsaki (Osaki) City (a March 2006 merger of several jurisdictions (total 139,396 inhabitants) in Miyagi Prefecture (Osaki City hall, 2010)) in northeastern Japan (Koyama et al., 2010).