LONDON, May 19 (UPI) -- A terminally ill British man's request to be kept alive indefinitely has sparked legal debate over the economic impact on the National Healthcare System. Leslie Burke, 45, suffers from a degenerative brain condition and won a landmark case last year granting him the right to stop doctors from withholding food and water until he dies from his ailment. The General Medical Council has appealed the ruling to the High Court, saying it created confusion between the roles of doctor and patient. Decisions on treatment should be made by doctors, not patients, it contended. The council's...