The incidence of predisposing factors; Intubation and Vocal abuse
were similar in the present study and a study by Shaw  (Table 19).
According to Estabillo , vocal abuse
and misuse may take place repeatedly as a result of habits that are harmful for singers' health, and of which they are occasionally aware , such as excessive screaming, forced vocalizations, speaking in excess, performing hard glottal attack, inhalation of dust and harmful gases, or bad vocal and practice techniques that create hyperfunction of the vocal folds.
 The abovementioned facts strongly support the views regarding the dominant role played by vocal abuse
and poor vocal hygiene in precipitating the formation of benign vocal cord lesions in the form of polyps and nodules but the fact remains that a majority of people with vocal abuse
do not develop these lesions and these lesions develop in only a small number.
The most common disorders resulting from vocal abuse
and misuse are laryngitis, vocal nodules, vocal polyps, and contact ulcers.
* What Are Some of the Disorders of Vocal Abuse
includes the yelling, screaming and strained vocalizations common in classes.
In this study, vocal abuse
was the main predisposing factor in vocal cord nodules (100%) and vocal cord polyp (70%).
As described above, vocal abuse
can cause traumatic inflammation of the larynx leading to granulomas.
Carter is hopeful, having taken his chance to impress, coming off the bench in some style to replace midfield general Ronnie Wallwork, who was on the wrong end from some vocal abuse
from the fans.
Holloway, the subject of vocal abuse
from the home support, was brought down by Kings Lynn's Mark Camm but, after appearing to retaliate, - according to referee Colin Francis of Cambridgeshire - he was shown the red card.
Awareness of vocal abuse
can help maintain a healthy voice.
In a study, 13 teachers participated in a group in which one of the themes was the performance of vocal warm-up exercises before classes and vocal cool-down exercises after classes, in order to restore normal loudness of speech and undo the sensations vocal abuse