A class-action lawsuit alleges some Franzia wines contain unsafe levels of arsenic . Winemakers respond that their wines are safe and the suit amounts to fearmongering . Arsenic can be dangerous in high concentrations .
A class-action lawsuit alleges some California wines contain unsafe levels of arsenic . Winemakers respond that their wines are safe and the suit amounts to fearmongering . Arsenic can be dangerous in high concentrations .