Suicide death rates among 10- to 19-year-old girls have been systematically underestimated, while rates among boys have been overestimated, according to the report published Sept. 13 in JAMA Network Open.
While preliminary tests found low levels of the nitrosamine impurity N-nitrosodimethylamine (NDMA) in some ranitidine products, the FDA said this does not mean patients taking the drugs should stop using them now.
The new standard was introduced in 2001. Since then, the percentage of public water systems in violation fell from 1.3% in 2008 to 0.55% in 2017, researchers found. A few counties in California and Texas accounted for most of the violations.
The news came amid growing concern over the six deaths and 450 possible cases of lung illness linked with the use of e-cigarette products. But many of those cases appear to be linked to THC cartridges, not flavored tobacco.