Despite changes in the supply of motor fuel, i.e., the move toward unleaded petrol, high levels of lead in the blood of children is still an issue. In the northern hemisphere there are seasonal fluctuations in levels of lead. Though the general amount of lead present in the environment has fallen, it remains significantly high in the blood of children. Much of the lead released decades ago is still there. The polluted fine particles are swept up into the air in the warmer months of July, August and September. This is the time when children are outside playing their sports. Money would be better spent on "fixing" the suspended lead rather than reducing content in products we use. Finding a way to "lock-in" the lead particles would end the damage to future generations of people. Once lead reaches a high level in the blood it is extremely difficult to reduce. Damage to the brain and nervous system is permanent. http://www.adventure--australia.blogspot.com/ htt
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