english: In fact, 65 decibels is the very level at which this big survey of all the evidence on noise and health found that, that is the threshold for the danger of myocardial infarction.
non_english: Dokonca tento veľký výskum vplyvu hluku na zdravie ukázal, že 65 dB je najvyššou hranicou, pri ktorej vzniká nebezpečenstvo infarktu myokardu.