Ecological Problems of Kazakhstan

Lead and its toxic compounds are dangerous environmental pollutants. The influence of these substances on the health of human beings, especially children, who are the most vulnerable to the harmful impact of lead, is worthy of special study, for the following reasons:
- lead is widespread (practically everywhere) in places where people reside;
- lead, even in extremely low concentrations in the environment, is capable of having a negative impact on children’s health;
- lead causes significant damage to the human nervous system, which has a negative effect on the intellectual development of the growing generation;