A new study released by the Mulnomah County Public Health Department in Oregon has found that 72% of all north, northeast, and southeast homes in Portland, Ore. have dust levels that are higher than federally acceptable standards.

Young children are prone to lead dust exposure from lead in paints used on toys, children's paint sets, and batteries. Children ingest particles orally or by touching their nose and eyes. This exposure is a result of lead paint which was banned in 1978, but still is found in many older homes across the country, including in cities such as Chicago, Baltimore, and Rochester.

Testing lead paint can be done through a simple blood test that takes about three minutes to be diagnosed. Mulnomah County Public Health is now offering free testing to combat the lead crisis.

Read more >