Investigation on children's intelligence level in arsenic-poisoned areas

  Objective   To explore the influence of arsenic exposure on children's intellig ence.

  Methods   Two groups were sampled in arsenic-poisoned areas and non-diseased areas.The level of 8~12 years chidrens intelligence were analyzed.

  Results   The children's intelligence level of the arsenic-poisoned area was lower significantly than of the control group (P < 0.01).The average level of children's intelligence was lower 10 IQ than that of the control gtoup.The children's intelligence distrbution of the arsenic-poisoned area was different significantly(P < 0.05).The lower rate of chidrens inrelligence distribution of the arsenic-poisoned area was different significantly(P < 0.05).The lower rate of children s intelligence of the arsenic-poisoned area was 4.44%.The level of children's intelligence was negatively correlation with the urine arsenic concentratin.

  Conclusion   Childrens intelligence development can be affected by long-dated high arsenic exposure.Its important for promoting children's health to make effective prevention for arsenism.