5. Sucking on throat lozenges
When a cold or sore throat strikes, the first line of defense is often a cough drop, but tossing back lozenges can set you up for tooth decay. Despite being considered medicinal, some cough drops are loaded with sugar. “If you’re continually sucking on lozenges, you’ll have a high level of sugar in your mouth,” says Swan. “Sugary foods contribute to tooth decay.” To spare your smile – and relieve uncomfortable cold symptoms – read the ingredient labels on lozenges to find a brand that’s low in sugar.