Air travel and the dangers to our health

[custom_adv]
Noise over 85 decibels (dB) starts to cause permanent hearing damage after a few hours. For comparison, that’s about what you’ll hear standing next to a loud, idling semi truck—and in the back of some commercial flights.

Check Also

The Moral Visionary

Nasser Taghvai (also spelled Taghvayi or Taghvaii) was one most respected and enduring filmmakers — …