Carbonated beverages like seltzers or sparkling water have proven themselves to be refreshing and healthy. (They're a lower-sugar swap for soda and can even be a delicious addition to your mocktail.) What’s more: New research has suggested that these bubbly drinks could potentially speed up digestion,

New research out of Japan affirms that carbonated water may, indeed, promote weight loss by lowering blood sugar levels, allowing cells to burn fat between meals for energy more efficiently. But don't buy a smaller wardrobe just yet. The findings suggest that any benefit is small.