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This is an archive article published on May 6, 2006

A song for your troubled heart

Heart rate, blood pressure and breathing rate fluctuate in response to music, with an arousal effect seen with increasing tempo...

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Heart rate, blood pressure and breathing rate fluctuate in response to music, with an arousal effect seen with increasing tempo, while slow, meditative music induces a relaxing effect, especially during the pauses, Italian researchers report.

Therefore, “music may give pleasure (and perhaps a health benefit) as a result of this controlled alternation between arousal and relaxation,” Dr Luciano Bernardi of the Universita di Pavia and his colleagues speculate.

In fact, “Appropriate selection of music, by alternating fast and slower rhythms and pauses, can be used to induce relaxation and reduce sympathetic activity and thus may be potentially useful in the management of cardiovascular disease,” the researchers say.

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To investigate the potential effects of music on health, particularly stress, Bernardi and his team had 24 men listen to a random series of six two-minute musical tracks while the researchers measured their heart rate, breathing and blood pressure.

Before the music started, the participants, half of whom had advanced musical training, relaxed for five minutes. The tracks were then repeated in a different order. A two-minute silence was randomly inserted into one of the sequences. The tracks included Indian ragas, Western classical music, techno, rap, and dodecaphonic or twelve-tone music, which lacks a traditional rhythmic, harmonic and melodic structure.

The researchers found that most of the music increased blood pressure and heart rate, with a stronger effect seen with faster music. This effect appeared to depend on tempo, not style: fast classical and techno had the same effect.

Shifts in heart rate and breathing were pronounced in the trained musicians, who also had a slower average breathing rate than the non-musicians. During the silent interval, participants’ heart and breathing rates and blood pressures fell. Listening to music may have effects similar to that of relaxation techniques, which generally require that a person focus his or her attention on something and then release it. So it could be a good way to treat heart disease.

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