Bacterial buildup on the tongue is one of the most common causes of persistent bad breath. Food particles, dead cells, and saliva can form a layer of plaque, creating an environment where bacteria produce sulfur compounds. Regular tongue cleaning with a scraper or toothbrush significantly reduces bad breath and improves oral hygiene.

Dental appliances like dentures, braces, or other devices can trap food debris and bacteria. Inadequate cleaning leads to persistent bad breath. These devices should be cleaned daily and removed at night to prevent bacterial accumulation and maintain fresh breath. Using specialized cleaning solutions and having regular dental check-ups helps protect oral health.

Not drinking enough water can also cause bad breath. When the body is dehydrated, saliva production decreases, allowing bacteria to thrive in the mouth. Saliva plays a crucial role in naturally cleaning the mouth, rinsing away food debris and odor-causing bacteria. Adults should aim to drink 8 glasses of water (240 ml each) daily.

While coffee offers many health benefits, this beverage can contribute to bad breath. Coffee contains a high sulfur content, which is a common cause of unpleasant odors.

Consuming carbonated beverages can also lead to bad breath. The acids in soft drinks dry out the mouth, creating an ideal environment for bacteria to multiply.

Dietary choices significantly impact breath odor. Beyond common culprits like garlic and onions, certain foods contribute to bad breath. For example, high-protein diets, especially for those losing weight, can lead to the body breaking down fats. This process generates ketones, which emit a distinct, unpleasant smell. Moreover, sugary foods and drinks nourish oral bacteria, leading to acid production and foul odors.

Smoking harms health by drying the mouth, reducing saliva production, and leaving a persistent unpleasant odor. Bad breath can also be a symptom of underlying health conditions such as kidney disease, liver failure, diabetes, sleep apnea, or acid reflux.

Le Nguyen (According to Times of India)