There is a new study now that says walking while listening to music, on headphones, can really be hazardous.

HealthDay reports a study in Injury Prevention showing that people “who walk to work or school while listening to music via headphones may want to unplug, with a new US study finding injuries to this group of people tripling since 2004.”

In 70 percent of cases the accident proved fatal, and in three out of four, bystanders had actually seen the victim wearing headphones just prior to the accident.

The sound coming from those headphones likely masked outside noise, because in 29 percent of the accidents, horns or sirens had been sounded just before the victim was hit.

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