Loud music has variable pitches. It usually gets louder and noisier. In a study, researchers from Pavia University, Italy, concluded that music with quicker tempos made people breathe faster, increasing their heart rate and blood pressure. Whereas on the contrary, slow and soft music brought the opposite results. It lowered heart rate and blood pressure. As a result of various such studies, music is now being used as a rehabilitation medicine for the sufferers of blood pressure. In cardiovascular units, slow and quiet music is played, which relaxes the patients and lowers their blood pressure and heart rate.
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