the paramount principle of organizational structure, activity, and leadership of Marxist-Leninist parties, the socialist state, and the management of a socialist economy. The essence of democratic centralism lies in the combination of democracy and centralization.Democracy is the sovereignty, independent activity, and initiative of the toilers; and the election of directing bodies and their accountability to the masses.he CPSU operates, on the basis of democratic centralism, as a monolithic organization unified by common ideological, organizational, and tactical principles, which are binding on every Communist. Party leadership is exercised from one central point.
Exposure to lead can have a wide range of effects on a child's development and behavior. Even when exposed to small amounts of lead levels, children may appear inattentive, hyperactive and irritable. Children with greater lead levels may also have problems with learning and reading, delayed growth and hearing loss.
According to CDC (PDF) (2 pp, 291 K, About PDF) 1  The most important step parents, doctors, and others can take is to prevent lead exposure before it occurs. 2  Until recently, children were identified as having a blood lead level of concern if the test result is 10 or more micrograms per deciliter of lead in blood.