The results of the blood test revealed that 262 children had blood lead levels ≥5 μg/dL while 587 had blood lead levels <5 μg/dL. Among children with blood lead levels ≥5 μg/dL, 210 drank tap water exclusively, 124 ate 4 or more servings of root vegetables, and 200 were exposed to pesticides in the home. Among children with blood lead levels <5 μg/dL, 179 drank tap water exclusively, 254 ate 4 or more servings of root vegetables, and 237 were exposed to pesticides in the home.
Based on the available data, what is your conclusion regarding the source of the lead poisoning? What can you say about the risk of lead poisoning associated with each of these factors?
SOURCE OF LEAD POISONING :
Lead based paint and lead contaminated dust in older buildings are the most common source of lead poisoning in children.
Other sources are ---
• Contaminated water
• Contaminated air
• Contaminated soil
• Adults who work with batteries
RISK OF LEAD POISONING:
1. Drinking tap water --
In case of tap water, if drinking water delivered via lead pipes or pipes joined with lead solder may contain lead.
Lead risk long term harm in adults, increase risk of high blood pressure, kidney damage.
2. Serving root fruits--
Some root fruits causes lead poisoning ,if soil is contaminated with lead.
In case of children ,risk behavioral problem, drop IQ rate,
In case pregnant women miscarriage,still birth ,low birth .
3. Pesticide in home -- older toys, paints in home or homes near railway prone to lead poisoning. In case of child pesticide in home also occur lead poisoning.
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