A decent set of noise-canceling headphones is a pleasant choice for many of us. It may be really relaxing at times to filter out all the pointless interruptions of daily life. It's a known fact that extended usage of noise-canceling headphones might have negative effects. Therefore, if you're wondering whether noise cancellation is safe, this article will provide the answer.Passive noise cancellation (PNC) or active noise cancellation (ANC) are the two forms of noise cancellation that headphones employ. Because PNC headphones physically enclose the ear, you hear less ambient noise. On the other hand, ANC uses technology to create an opposite frequency that completely cancels out background noise.