Death rates have dropped since the mid-twentieth century; in Sweden poisoning is common, though life-threatening poisonings have not been detected and there was no fatality reported over the 50 years from 1952 to 2002.
As taxas de mortes caeron desde mediados do século XX; en Suecia o envelenamento é común, pero, aínda que foron detectados envelenamentos, non houbo mortes durante os 50 anos que van desde 1952 a 2002.