Papers > Science > Lead and its affect on health
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Lead and its affect on health
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Lead is a soft, silvery metal that is found naturally in the environment and in manufactured products. ... The softness of lead allowed people to make many useful items. However, the dangers of lead were not known until recently. Small amounts of lead can be dangerous to humans, and other living things. ...
The most common ways we are exposed to lead is by breathing it or swallowing it. ... When lead enters the environment, it does not break down, and can travel long distances before settling in the ground. ... Once lead falls onto the soil, it sticks on the particles. The lead in the soil can come from erosions of lead bearing rocks, and from the air. ... Many older homes made before 1950 had painted walls with lots of lead in it. When you strip off the old paint, lots of lead is inhaled.
We swallow lead from the foods we eat and from the water we drink. Lead can enter the water supply from lead solder in plumbing, lead service connections, or lead pipes. Lead is more likely to be found in soft, acidic water. Lead is also found in food from the lead based glasses on glassware and ceramics. It can also enter food from lead soldered cans. ...
Once lead enters the body, it is distributed by the blood stream to other parts of the body. ... When lead enters the bloodstream, it attaches itself to proteins that carry it to different tissues and organs.
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Paper Information
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Title: Lead and its affect on health
Words: 1138
Rating: None
Pages: 4.6
submitted by: ideaBoo
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