TikTok claims 'tongue scrapers' can cure bad breath - here's what the evidence actually says
Most of us know how important it is to brush and floss if we want a healthy smile. But some people on TikTok are suggesting that this isn't enough - and that if you really want good oral health, you need to use a "tongue scraper".
Tongue scraping has long been part of daily hygiene routines in many parts of the world. It involve