 This study found that individuals with hearing loss, who tried out a new type of hearing A called cartilage conduction hearing aids, CCHAs, had improved hearing thresholds at higher frequencies than those without the device. This suggests that these devices may be beneficial for people with hearing loss, who have difficulty hearing sounds at higher frequencies. This article was authored by Shunsuke Takai, Takishisato, Yuya Mayakura, and others.