· Limit your intake of drinks that include alcohol or caffeine.
· Drink plenty of water. Six to eight glasses a day is recommended.
· Don't smoke and avoid second-hand smoke.
· Cancer of the vocal cords is seen most often in individuals who smoke.
· Practice good breathing techniques when singing or talking.
· Avoid eating spicy foods.
· Try not to overuse your voice. Avoid speaking or singing when your voice is hoarse.
· Wash your hands often to prevent colds and flu.
· Get enough rest. Physical fatigue has a negative effect on voice.
· Avoid talking in noisy places. Trying to talk above noise causes strain on the voice.
· Avoid mouthwash or gargles that contain alcohol or irritating chemicals.
· Avoid using mouthwash to treat persistent bad breath. Halitosis (bad breath) may be the result of a problem that mouthwash can't cure, such as low grade infections in the nose, sinuses, tonsils, gums, or lungs, as well as from gastric reflux from the stomach.