Izzy I am honestly concerned that they are going to get hurt doing this.
* Amanda Palmer of The Dresden Dolls said in January 2008 that she will undergo surgery for nodes in March 2008. She has also been forced to cancel a mini-tour because of the surgery.
* Angela Gossow of Arch Enemy had developed nodules after the first Arch Enemy album she screamed called Wages of Sin. She can still scream arvelously, but can no longer do many growls and deep toned screams. Her voice is much clearer and understandable after going to vocal lessons with Melissa Cross.
* Davey Havok, lead singer of AFI, suffered from vocal nodes, which forced AFI to cancel several shows on their Spring '04 tour as well as changed the style of his singing from a raspier style to a clearer style.
* Roughton Reynolds from Enter Shikari developed nodules and as a result missed several shows on their UK tour.
* Luciano Pavarotti developed vocal cord nodules early in his at-the-time mediocre career, leading him to renounce a life of music. Ironically, the psychological release associated with this decision and soon-after disappearance of the nodules lead to an incredible improvement in his sound quality.
* Freddie Mercury pianist and lead singer of Queen, was a famous sufferer of the disease.
* Natalie Imbruglia developed nodules during the 90's and had them removed a few years later, this noticeably improved the timbre in her voice.
* A young Lucinda Williams developed nodules and later had them removed.
* Julie Andrews also suffered from vocal cord nodules and famously lost her singing voice after surgery to remove them.
* Robert Plant, singer of band Led Zeppelin received treatment for nodules in 1973 and possibly 1974. This resulted in a drop in range of voice and a harsh timbre on the 1975 album Physical Graffiti.
* Bonnie Tyler, in 1977, found out that she had nodules that were so severe that she had to have surgery for their removal. After the surgery was performed, she was ordered to not speak for six weeks. One day while healing, she accidentally screamed and her voice took on a raspy quality.
* Whitney Houston developed nodules during her famous Bodyguard tour in 1993-1994. At the time, she was unable to rest her voice to prevent permanent damage. She has been able to continue a successful singing career since then, but her voice has developed a noticeable, darker and hoarser tone than before.
* Sarah Brightman developed nodules after her Harem world tour in 2004; she had surgery to remove them.
* Bette Midler developed nodules in 2006-2007.
* Natalie Dessay, a famous operatic lyric-coloratura, underwent surgery in 2001 to remove nodules and polyps on two of her vocal cords, following vocal difficulties after recovering from a cold. Although the quality of her voice now is debatable by some opera critics and fans, Natalie Dessay has made a complete recovery and continues to perform in opera.
* 2003 Australian Idol contestant, Cosima De Vito pulled out from the competition after developing throat nodules.
* Justin Timberlake had surgery to remove vocal nodules in 2005.
* Omarion, formerly of boy-band B2K also had surgery to remove nodules in 2005, and as a result, had to cancel a number of live shows in London.
* In March 2005, Blue singer Lee Ryan developed a nodule, and as a consequence had to cancel the boy band's farewell tour.
* Goo Goo Dolls' lead singer Johnny Rzeznik, Everclear lead singer Art Alexakis, and Tony Rice, bluegrass guitarist and singer, all have suffered from the condition.
* Steve Augeri of the band Journey was forced to leave the band when his nodules got so severe in the 2006 tour that a replacement singer was drafted in to continue the tour.
* In October 2006 Jet guitarist and singer Nic Cester was diagnosed with the disease.
* Bert McCracken, vocalist of The Used, developed a nodule in his vocal cord, and underwent surgery during the summer of 2007. The nodule was successfully removed.
* Sonny Moore, vocalist of From First to Last, also had a nodule in his vocal cord. After surgery for its removal, he tore a vocal cord.
* Joss Stone had nodules and was told by doctors that she had to rest her voice otherwise permanent damage could be caused.
* Oasis lead singer Liam Gallagher is rumored to suffer from nodules, based upon some of his live performances in recent years.
* Tom Keifer, lead singer of the rock band Cinderella, developed nodules as a result of his singing voice, a raspy, affected snarl. He underwent repeated surgeries for the disorder.
* Tedd Webb, a Tampa Bay area radio personality, had his nodule condition diagnosed by a doctor who heard Webb's raspy voice over the air. The doctor phoned him at the station and soon after performed surgery to cure the condition.
* Billy Lunn (Morgan) lead singer of The Subways had nodules removed in January 2007.
* Korean Singer Gummy has reported that she occasionally suffers from vocal fold nodules.
* Brian Joo of Korean boyband Fly to the sky suffered from vocal fold nodule due to a hectic promotion schedule and an over-exertion of his vocal cords.
* Daesung of Korean Hip-Hop group, BIG BANG, has suffered from vocal fold nodules, as it was revealed during the BIG BANG documentary. Label-mate, Gummy, has helped him with his vocal use since she suffers from the same condition.
* Canadian rock artist Matthew Good was diagnosed with a nodule in the late days of the Matthew Good Band.
* Annette Strean of Venus Hum suffered from vocal nodules.
* Singer Lisa Origliasso of the Australian duo The Veronicas suffered from nodules in her throat while touring with Ashlee Simpson in June 2006. She had to cancel the rest of her tour gigs while she went for an operation and recuperated.
* Emily Deschanel was forced to give up singing after performing in a musical due to the formation of nodules on her vocal cords.
* Mariah Carey, credited with a 5-octave vocal range and famed for her extensive use of the whistle register (the highest human vocal register) divulged in a recent magazine interview that she has had vocal nodules since she was a little girl.
* Bill Kaulitz, lead singer of Tokio Hotel, underwent surgery to remove a developed cyst in April 2008. Bill had to remain silent for ten days after his surgery, a feat for the chatty singer. As a result, the band had to cancel numerous shows of their European 1000 Hotels '08 tour.
* Idina Menzel developed vocal nodules after performing in Wicked for over a year. While performing in London, it can be noticed that her voice has a harsher, huskier tone.
* Kim Kyung Ho, a Korean rock singer was diagnosed with vocal nodules in 2001, whilst recording his 6th album. As a result his trademark use of screams and vocal wails have diminished, as well as his vocal tone when attempting higher notes.
* Shayne Ward sang through nodules on The X Factor tour before having them removed by a Surgeon in Los Angeles.
* Former Village People lead singer Victor Willis had surgery at a San Diego hospital in July 2008 to remove nodules from his vocal cords. He developed hoarsness after several 2007 performances, forcing him to cancel European and Canadian concert dates.
* In January 1987, Elton John underwent throat surgery to remove potentially cancerous nodules from his vocal cords while on tour, a necessity he originally claimed was due to an infection, but later claimed was the result of excessive drug abuse.
* Syleena Johnson suffered from vocal nodules and had to go through speech therapy.
* Madonna came down with vocal nodules and had to stop her tour.
* In April 2008, ex Blue Peter and Radio/TV presenter Richard Bacon had an operation to remove a noncancerous polyp from his vocal cords.
* Joni Mitchell suffered with vocal nodules in the 90s.
* Broadway legend Patti LuPone suffered with vocal nodules in 1994, and had surgery to remove them.
* In January 2008 Miss Saigon star Lea Salonga was instructed to go on complete vocal rest for a while due to pre-nodules and inflammation of her vocal cords.
* Kerry Butler, star of Broadway hits such as Hairspray (musical) and Beauty and the Beast (musical) developed pre-vocal nodules and had to go on complete vocal rest for over a month.
* Miley Cyrus, star of Hannah Montana developed vocal nodules.
* Klaus Meine of Scorpions suffered from vocal nodules.
* M. Shadows of Avenged Sevenfold had to postpone a fall tour due to vocal strain.
* Ian Gillan suffered from vocal nodules in the early 80s.
* Nathan Lane developed a vocal nodule/polyp on his left vocal cord that forced him to take time out of his run in the Broadway production of The Producers (musical).
* Eliza Carthy cancelled a tour of England in Autumn 2008 because of vocal fold nodules.
* Rod Stewart had a nodule removed in June 2000.
http://en.wikipedia.org/wiki/Vocal_fold_nodul
Can abusing the voice create problems?
Voice abuse through technical dysfunction is an extremely common source of hoarseness, vocal weakness, pain and other complaints. In some cases, voice abuse can even create structural problems such as vocal nodules, cysts and polyps. Now that the components of voice function are better understood, techniques have been developed to rehabilitate and train the voice in speech and singing. Such voice therapy improves breathing and abdominal support, decreases excess muscle activity in the larynx and neck, optimizes the mechanics of transglottal (through the vocal fold area) airflow and maximizes the contributions of resonance cavities. It also teaches vocal hygiene, including techniques to eliminate voice strain and abuse, maintain hydration and mucosal function, mitigate the effects of smoke and other environmental irritants and optimize vocal and general health. A voice therapy team includes an otolaryngologist (ear, nose and throat doctor) specializing in voice, a speech-language pathologist specially trained in voice, a singing voice specialist with training in vocal injury and dysfunction, and when needed, an arts-medicine psychologist, psychiatrist, pulmonologist, neurologist, exercise physiologist, or other specialist. Progress is monitored not only by listening to the patient and observing the disappearance of laryngeal pathology when it is present, but also by quantitative measurement parameters in the clinical voice laboratory. However, in some cases there are structural problems in the larynx that are correctable only with surgery.
What are vocal nodules?
Small, callous-like bumps on the vocal folds called nodules are caused by voice abuse (Figure 8). Occasionally, laryngoscopy reveals asymptomatic vocal nodules that do not appear to interfere with voice production; in such cases, the nodules need not be treated. Some famous and successful singers have had untreated vocal nodules throughout their entire careers. However, in most cases nodules are associated with hoarseness, breathiness, loss of range, and vocal fatigue. They may be due to abuse of the voice during either speaking or singing. Voice therapy always should be tried as the initial therapeutic modality and will cure the vast majority of patients even if the nodules look firm and have been present for many months or years. Even in those who eventually need surgical excision of the nodules, preoperative voice therapy is essential to prevent recurrence.
Caution must be exercised in diagnosing small nodules in patients who have been speaking or singing actively. In many people, bilateral, symmetrical soft swellings at the junction of the anterior and middle thirds of the vocal folds develop after heavy voice use. No evidence suggests that people with such “physiologic swelling” are predisposed to development of vocal nodules. At present, the condition is generally considered to be within normal limits. The physiologic swelling usually disappears with 24 to 48 hours of rest from heavy voice use
http://www.otopa.org/Patient/vocalhealth.html
They should get voice lessons to make sure they don't harm their voice