What’s Hiding in Your Tongue’s Papillae Could Be Sabotaging Your Health

What's Hiding in Your Tongue's Papillae Could Be Sabotaging Your Health

A close-up look at your tongue under magnification reveals a microscopic landscape teeming with bacteria, dead cells, and trapped food debris that your toothbrush never reaches. Scientists now link poor tongue hygiene to everything from bad breath to heart disease, and the tool you’re using to clean it might be the problem.