1 Iatrogenesis is a very common, often preventable, hazard of hospitalization and is associated with significantly longer hospital stays, increased patient mortality and cost.  The true extent of the problem of iatrogenesis is not well understood. What we know of the problem may be but the tip of the iceberg.
A constitutional democracy is a government under law in which coalition and majority rule is balanced by minority and individual rights, and in which most rights are balanced by responsibilities - including the responsibility of each citizen to study the history of constitutional government in order to illuminate it in ways that no definition ever ...
In a direct democracy, every single member of the group has an equal say in every single decision. This is not workable on a day to day basis for large groups. In a representative democracy, people elect representatives, who vote on the issues. Representative democracy is the basis of constitutional democracy. Representatives are chosen by the people to act in their best interest, not necessarily to vote the way the people want them to in every circumstance.