According to WHO, the environmental noise levels should be below 70 dB over 24 hours. If it is even increased by 5 decibels, then the exposure time has to be reduced to 7-8 hours. So, are earphones better or headphones and does using them all day impact ear health? Smartphones and smart devices have become integral with our existence now and increasing number of people, especially adolescents and young adults spend hours together using various portable audio devices like headphones, earphones and air pods. Post the Covid-19 pandemic, another big contribution to this category has been made by the working-class adults who have now taken to sitting in front of their laptops for hours, having to attend countless hours of meetings and discussions, which, earlier, would have been held in person. Read more here..