Lead

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  • Lead
    • Naturally occurring toxic heavy metal
      • Found in jewellery, toys, cosmetics and stained glass
    • Sources of environmental contamination
      • Mining, recycling, leaded paint and petrol and lead-acid batteries for motor vehicles
    • Young children particularly vulnerable
      • Development of brain and nervous system
    • Long-term harm in adults
      • high blood pressure and kidney damage
    • Pregnant women - miscarriage, stillbirth, premature birth, low birth weight, minor malformations
    • Distributed to brain, kidneys, liver and bones
    • Stored in teeth and bones where it accumulates. May be remobilised into blood during pregnancy
    • Undermalnourised children more vulnerable - absorb more lead if lacking in calcium

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