Is listening to music good for your health?
听音乐有益健康吗?
If you’re looking for an easy way to shift your mind-set, cue the music.
如果你正在找既简单又能改变你情绪状态的办法，那就听听音乐吧。
Studies have shown that music can buoy mood, fend off depression and improve sleep.
研究表明，音乐可以提振情绪，抵御抑郁，改善睡眠。
It can also ease pain and lower levels of stress-related hormones like cortisol.
还能减轻疼痛，降低皮质醇等与压力有关的激素的水平。
How can listening to music do so much good?
听音乐何以会有这么多好处呢?
Music seems to “selectively activate” neurochemical systems and brain structures
音乐似乎可以“选择性地激活”
associated with positive mood, emotion regulation, attention and memory,
与积极情绪，情绪调节，注意力和记忆有关的神经化学系统和大脑结构，
says Kim Innes, a professor of epidemiology at West Virginia University’s School of Public Health.
西弗吉尼亚大学公共卫生学院的流行病学教授金·英尼斯说到。
But choose your tunes carefully.
但选择歌曲的时候还是要谨慎。
A song’s rhythm can influence heart rate and brain activity,
歌曲的节奏会影响心率和大脑活动，
says Daniel Levitin, a psychology professor at McGill University in Canada.
加拿大麦吉尔大学的心理学教授丹尼尔·列维京说。
And research shows that listening to music that agitates or unsettles you can trigger stress, anger and sadness.
研究表明，听那些让人烦躁不安的音乐会引发压力、愤怒和悲伤。
“There’s no one piece of music that will do the same thing for everyone,” Levitin says,
“没有哪首音乐会对大家产生同样的作用，”列维京说，
but tracks with a slow tempo, gradual chord progressions and drawn-out notes tend to be calming,
但慢节奏，和弦循序渐进，以及的音符一般都有让人平静的效果，
while chaotic, up-tempo tunes tend to have the opposite effect.
而混乱，快节奏的曲调往往有相反的效果。
