NHS waiting list have been a boon for private medicine in the UK.

Health care: public, private or both? In Great Britain, about 13% of the population is covered by private health insurance, and everyone else is served by the public health care system known as the National Health Service, or NHS. Caroline Richmond, who examined the impact of private medical practice in Britain, says people become private patients for one compelling reason: to avoid the NHS's notoriously long waiting lists for surgery. According to Professor Alan Maynard, a health care researcher, the mainstays of the private sector are the "three h's" --hips, hernias and hemorrhoids-- along with some elective surgery, particularly in gynecology and opthalmology. Another small sector focuses on fertility regulation and cosmetic surgery. Although the levels are not monitored closely, physician consultants are not permitted to earn more than 10% of their income from private practice.