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Abstract

Lead is a heavy metal and a ubiquitous neurotoxin linked with learning and behavioural disorders. Lead exposure can cause learning, language and behavioural problems such as reduced IQ, impetuousness, extended aggression, lowered academic performance, anaemia, and with long exposure result in kidney failure. Lead is also associated with miscarriage, infertility in both sexes, changes in hormones, irregular menstruation and delays in the onset of puberty in girls.

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