From 1995 to 1998, about 3,000 people were examined for exposure to leaded gasoline; in 1999, 541 people were examined.
Results
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High blood-pressure: 10-15% ('95-'98) and 10% ('99)
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Nerves system damaged, headache, sleepless take 30-40% in 1995-1998 and 16% in 1999; Bio-nerves upset (moisture in legs and hands) takes over 15%
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Low blood-pressure: 5-7%
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Damaged Skin (also to be treated): 40% ('95-'98) and 37% ('99) + 12.01% to be treated ('99)
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Bone ache: 20%
Note: Lead levels in Hanoi are 5-6 times higher than rural areas
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