My teeth keep getting more yellow even though I brush twice a day. Why won’t they stay white?
Waking up with a dry mouth is common and often harmless, but it can sometimes point to an underlying issue. Common reasons Mouth breathing: A blocked nose, allergies, or sleeping with your mouth open can dry out the mouth overnight. Dehydration: Not drinking enough fluids during the day—or losing fluids through sweating—can contribute. Snoring or …









