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2015年2月28日のブックマーク (1件)

  • Cut music to 'an hour a day' - WHO

    People should listen to music for no more than one hour a day to protect their hearing, the World Health Organization suggests. It says 1.1 billion teenagers and young adults, external are at risk of permanently damaging their hearing by listening to "too much, too loudly". It said audio players, concerts and bars were posing a "serious threat". WHO figures show 43 million people aged 12-35 have h

    Cut music to 'an hour a day' - WHO
    perucho
    perucho 2015/02/28
    見出しはともかく"Safe listening levels"は参考になる