¿La lengua de señas es universal?

The video discusses the prevalence of hearing impairment, the levels of hearing loss, and the importance of sign language. It covers the history and development of sign language, its various systems, and the benefits of learning it. The video emphasizes the need for inclusivity and communication for people with hearing impairments.

How does sign language differ across various countries and regions?

What are the potential effects of communication problems on individuals with hearing impairment?

What steps can be taken to prevent hearing loss?