Sign Language Leads to Deafness
Sign language may be the cause of the rising rate of inherited deafness, which has doubled over the past 200 years. The introduction of sign language in the early 1800s allowed deaf people to communicate with other deaf people, leading to marriage and deaf offspring. Researcher Walter Nance says, “In the United States, at least 85% of individuals with profound deafness marry another deaf person.”
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