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.
1 Blood Lead Levels in Children Fact Sheet [PDF - 168 KB]. 2  CDC Response to Advisory Committee on Childhood Lead Poisoning Prevention Recommendations in âLow Level Lead Exposure Harms Children: A Renewed Call of Primary Preventionâ [PDF - 165 KB]. What has not changed is the recommendation for when medical treatment is advised for children with high blood lead exposure levels. 2  The new recommendation does not change the guidance that chelation therapy be considered when a child has a blood lead test result greater than or equal to 45 micrograms per deciliter.