Soda is popular in the general population. In a representative sample of the US population, the proportion of individuals who reported drinking sugarsweetened beverages daily increased from 58% in the 1988–1994 period to 63% in the 1999–2004 period (10). Several small studies have investigated the effect of soda on urinary composition in healthy volunteers
with inconsistent results (11–14). Relatively small cross-sectional (5) and case-control