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What is Lead Poisoning?

Lead poisoning is a serious toxic condition that
occurs when too much lead builds up in the body. Because
lead takes such a long time to leave the system, miniscule
amounts of lead in the environment can easily accumulate to
dangerous levels. The Centers for Disease Control and Prevention
(CDC) has designated a blood lead level of over 10 µg/dL
(micrograms per deciliter) as lead poisoned, however many
studies have shown that even lower levels can have negative
effects. Lead poisoning can affect nearly every system in
the body, although its effects on the brain are the most
detrimental. Since lead poisoning often occurs with no
obvious symptoms, it frequently goes unrecognized.
Lead poisoning is serious and permanent. It can
cause:
Who is at Risk for Lead
Poisoning?
 Children
under six are the group most affected by lead poisoning.
This is because lead poisoning can interfere with proper
brain development and young children’s brains are developing
rapidly. Additionally, children often play on
the floor where lead dust gathers and they frequently put their
hands and other objects, which may be covered in lead dust, into
their mouths. Children from all social and economic levels
can be affected by lead poisoning, although children living at
or below the poverty line who live in older housing are at
greatest risk. Children of some racial and ethnic groups
living in older housing are disproportionately affected by lead.
For example, 22% of black children and 13% of Mexican-American
children living in housing built before 1946 have elevated blood
lead levels compared with 6% of white children living in
comparable types of housing.
The United States Public Health Services estimated that 1
child in 6 suffers from lead poisoning with a total of 3-4
million children affected nationwide. Approximately 434,000 U.S. children aged 1-5 years have
blood lead levels greater than the CDC recommended level of 10
micrograms of lead per deciliter of blood.
What are the effects of lead
poisoning?
Lead may cause irreversible damage to children’s brains.
As a result, lead poisoned children are seven times as likely
to drop out of school as other children. Even low levels of
lead exposure decrease performance in math and reading.
Lead poisoning is also associated with increased delinquent
and criminal behavior. At very high levels, lead poisoning
can cause seizures, comas and even death.
How Are Children Exposed to
Lead?
The major source of lead exposure among U.S.
children is lead-based paint and lead-contaminated dust
found in deteriorating homes and buildings. Lead-based paints
were banned for use in housing in 1978, however any home
built before 1978 will most likely contain lead. Homes built
before 1950 have the highest levels of lead because paint
used in the first half of the century had a very high
concentration of lead. Additionally, leaded gasoline use
before 1985 put a great deal of lead into the atmosphere, which
has settled in the soil. Children who live in
urban areas where most of the houses are old and where a
lot of automobile traffic occurred in the past are more likely
to be exposed to lead.
Lead paint often deteriorates at friction points, like on window
sills or door frames. Lead paint, when it flakes or chips,
becomes lead dust. This dust, which may not even be visible, is
toxic to children. It settles on floors and other surfaces where
it can get on children’s hands and into their mouths when they
are playing. Because small children often play on the floor and
put their fingers or other objects into their mouth, they ingest
more lead dust than adults.
Besides lead paint, other sources of lead include:
- Home health
remedies
-
Some children's jewelry and toys
- Hobbies and work that use lead products (such as
making stained glass windows or recycling automobile
batteries).
- Drinking water (old pipes, solder and fixtures
sometimes contain lead)
- Bare soil or sand (lead may be present from
leaded gasoline used in the past or from chipping house
paint)
How Do I Know If My Child Has
Been Lead Poisoned?
The
only way to know if a child is lead poisoned is to have him or
her tested by
a physician.
Children under six
years old should be tested annually.
Ask your physician or contact your
local health department to get your child tested.
Medicaid and most insurance plans cover
testing. The Centers for
Disease Control and Prevention (CDC) has designated a blood lead
level of over10 µg/dL
(micrograms per deciliter) as lead poisoned, however many
studies have shown that even lower
levels can have negative effects.
How big is the Lead Problem in Detroit?
According to Detroit Health Department and the Census,
73.9% of the City's housing was built before 1955 and,
therefore, contains paint with a high proportion of lead. Due to
the large number of old homes, the rate of lead poisoning is
much higher in
Detroit than that in other areas. The State
of Michigan considers all
children in the
City of Detroit to be at-risk.
Each year, more than 2,000 Detroit children are found to have lead
poisoning. It is estimated that there are over 10,000 lead
poisoned children in
Detroit. Current data show that 1 in
10 children living in Detroit are lead poisoned and in some zip
codes, that number is as high as 1 in 5. Unfortunately, despite
mandatory screening requirements for Medicaid children, only
33% of Detroit’s 113,000 children
under 6 are tested. Therefore many lead poisoned children
continue to remain undetected and untreated.
What Can I Do to Prevent my
Children from Becoming Lead Poisoned?
*Call CLEARCorps/Detroit at (313) 924-4000 to learn about
the services we offer to help you prevent lead poisoning.*
- Clean weekly. Wet mopping
floors and wiping window sills and wells with a household
cleaner helps control lead dust.
- Wash children’s hands, toys,
pacifiers, and bottles often.
- Get all children between the ages of 6
months and 6 years tested for lead once a year.
- Make sure children are not eating
paint chips or picking at peeling paint. Although this
may seem strange, many children eat lead paint because lead
has a sweet flavor.
- Make sure that everyone wipe their
shoes or takes their shoes off before entering the
house.
-
Do not allow children to play in bare dirt or soil.
Cover soil with grass, mulch or bushes.
-
Feed
your children a diet rich in calcium and iron. If
these nutrient levels are low in a child’s body, the child
will absorb more lead. Vegetables and milk are great sources
of these important nutrients.
- When using tap water, always use
cold water. Let the water run until the temperature
changes. Do not make bottles or cook with hot tap water.
- Follow lead safe work practices
when doing any work that involves disturbing old paint.
Remove children from the home when doing repairs or
remodeling.
- Be sure that no one brings lead
home from work on clothes and shoes, especially those
employed in auto mechanics or construction.
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