The truth behind the viral TikTok mouth taping trend — can it really solve snoring and contour jawlines? By . Dr. Zac Turner, News.com.au. Published Feb. 2, 2025, 10:38 a.m. ET.

In the 1953 film Roman Holiday, Audrey Hepburn and Gregory Peck's characters visit The Mouth of Truth, an ancient sculpture in Rome. "The legend is that if you're given to lying, you put your hand ...