(HealthDay News) - Halitosis is the term for persistent bad breath.

The condition can be caused by a a variety of factors and conditions, some of which are behaviors that can be avoided to reduce bad breath.

Here are some common causes of halitosis and ways to help reduce it, courtesy of the American Dental Association:

• What you eat can cause halitosis, so avoid potent foods like garlic and onions. Not eating can also cause bad breath, so don't avoid meals.
• Poor dental hygiene can lead to bad breath, so brush, floss and use mouthwash frequently to keep breath fresh.
• Dry mouth can exacerbate bad breath, so stay well hydrated, and try sucking on sugar-free candies to stimulate saliva production.
• Don't smoke.
• Since bad breath can be caused by a medical condition, such as a respiratory infection, bronchitis, sinusitis, liver or kidney illness, and many others, talk to your doctor about a diagnosis.