The study was presented by Gustaf Lyytinen, a clinician at Helsingborg Hospital and researcher at the Karolinska Institute in Stockholm, Sweden

Natural Flavor Enhancers (Zero or Minimal Calories) Cinnamon : Add a stick while brewing or sprinkle ground cinnamon on top Benefits: Adds sweetness perception, regulates blood sugar, anti-inflammatory Amount: 1/4 to 1/2 teaspoon per cup Cardamom : Popular in Middle Eastern coffee traditions Benefits: Digestive aid, aromatic, slightly sweet Amount: 1-2 crushed pods per cup Vanilla Extract : Just a drop or two transforms the flavor Benefits: Natural sweetness perception without sugar Amount: 1/4 teaspoon per cup (use pure extract, not imitation) Cocoa Powder : Unsweetened cocoa for a mocha effect Benefits: Additional antioxidants, rich flavor Amount: 1 teaspoon per cup Nutmeg : Adds warmth and complexity Benefits: Digestive support, aromatic Amount: Small pinch (a little goes a long way) Sea Salt : Sounds weird, but it reduces bitterness Benefits: Enhances natural coffee flavors, cuts bitterness Amount: Tiny pinch (1/8 teaspoon or less) 3

Still some herbal blends do benefit from those flavors and the fact that the FDA has proclaimed that flavored papers attract underage smokers just reinforces how much out of touch our government and its agencies are with people, science, and reality and how much "in touch" they are with the special interests of big cigarette companies and the pharmaceutical industry lobbyists
In the UK, these products are not currently captured by regulation of either tobacco or vapes and as such are only regulated under general consumer product safety regulations
So policies must change