Speed of change is also important…

Rapid increases in pollution may be as harmful to the heart as sustained high levels, according to research published today in the European Journal of Preventive Cardiology.

Even though the ambient air in the city of Jena is comparably clean, the significant association between rapid changes in nitrogen oxides and onset of myocardial infarction (MI) suggests that the current EU statutory limits do not sufficiently protect against effects relating to the cardiovascular health of the population. A more specific definition and stricter implementation of statutory limits for rapid increases of nitrogen oxides are potentially needed to address this issue and to close this gap regarding the risk of MI.

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