The arsenic contents of the urine and hair were elevated in all patients, and the amount in the nails was increased in 5 of the 6 patients (Table 1). The arsenic content was determined by a ...

A 2018 study of Indigenous people living across the US found that those with higher levels of arsenic in their urine were 1.5 times more likely to have high blood pressure and thickened heart muscles.

Those are the preliminary results from a study started in Yellowknife five years ago, called the Health Effects Monitoring ...