Lead Paint Removal >> Effects Of Overexposure To Lead

Effects of overexposure to lead. (1) Short-term (acute) overexposure. Lead is a potent, systemic poison that serves no known useful function once absorbed by your body. Taken in large enough doses, lead can kill you in a matter of days. A condition affecting the brain called acute encephalopathy may arise which develops quickly to seizures, coma, Effects Of Overexposure To Lead and death from cardiorespiratory arrest. 

short-term dose of lead can lead to acute encephalopathy. Short-term occupational exposures of this magnitude are highly unusual, but not impossible. Similar forms of encephalopathy may, however, arise from extended, chronic exposure to lower doses of lead. There is no sharp dividing line between rapidly developing acute effects of lead and Effects Of Overexposure To Lead chronic effects which take longer to acquire. 

Lead adversely affects numerous body systems and causes forms of health impairment and disease which arise after periods of exposure as short as days or Effects Of Overexposure To Lead as long as several years. (2) Long-term (chronic) overexposure. Chronic overexposure to lead may result in severe damage to your blood-forming, nervous, urinary and reproductive systems. 

Some common Effects Of Overexposure To Lead symptoms of chronic overexposure include loss of appetite, metallic taste in the mouth, anxiety, constipation, nausea, pallor, excessive tiredness, weakness, insomnia, headache, nervous irritability, muscle and joint pain or soreness, fine tremors, numbness, dizziness, hyperactivity and colic. In lead colic there may be severe abdominal pain. 

Damage to the central nervous system in general and the brain (encephalopathy) in particular is one of the most severe forms of lead poisoning. The most severe, Effects Of Overexposure To Lead often fatal, form of encephalopathy may be preceded by vomiting, a feeling of dullness progressing to drowsiness and stupor, poor memory, restlessness, irritability, tremor, and convulsions. 

It may arise suddenly with the onset of seizures, followed by coma, Effects Of Overexposure To Lead and death. There is a tendency for muscular weakness to develop at the same time. This weakness may progress to paralysis often observed as a characteristic "wrist drop" or "foot drop" and is a manifestation of a disease to the nervous system called peripheral neuropathy. 

Chronic overexposure to lead also results in kidney disease with few, if any, symptoms appearing until extensive Effects Of Overexposure To Lead and most likely permanent kidney damage has occurred. Routine laboratory tests reveal the presence of this kidney disease only after about two-thirds of kidney function is lost. 

When overt symptoms of urinary dysfunction arise, it is often too late to correct or prevent worsening conditions, Effects Of Overexposure To Lead and progression to kidney dialysis or death is possible. Chronic overexposure to lead impairs the reproductive systems of both men and women. Overexposure to lead may result in decreased sex drive, impotence and sterility in men. 

Lead can alter the structure of sperm cells raising the risk of birth defects. There is evidence of miscarriage and stillbirth in women whose husbands were exposed to lead or who were exposed to lead themselves. Lead exposure also may result in decreased fertility Effects Of Overexposure To Lead and abnormal menstrual cycles in women. 

The course of pregnancy may be adversely affected by exposure to lead since lead crosses the placental barrier and poses risks to developing fetuses. Children born of parents either one of whom were exposed to Effects Of Overexposure To Lead excess lead levels are more likely to have birth defects, mental retardation, or behavioral disorders or to die during the first year of childhood. 

Overexposure to lead also disrupts the blood-forming system resulting in decreased hemoglobin (the substance in the blood that carries oxygen to the cells) and Effects Of Overexposure To Lead ultimately anemia. Anemia is characterized by weakness, pallor and fatigue as a result of decreased oxygen carrying capacity in the blood. (3) Health protection goals of the standard. 

Prevention of adverse health effects for most workers from exposure to lead throughout a working lifetime requires Effects Of Overexposure To Lead that worker blood lead levels (PbB) be maintained at or below forty micrograms per one hundred grams of whole blood (40 µg/100 g). 

The blood lead levels of workers (both male and female workers) who intend to have children should be maintained below 30 µg/100 g to minimize Effects Of Overexposure To Lead adverse reproductive health effects to the parents and the developing fetus. The measurement of your blood lead level is the most useful indicator of the amount of lead being absorbed by your body. 

Blood lead levels (PbB) are most often reported in units of milligrams (mg) or micrograms (µg) of lead (1 mg = 1,000 µg) per 100 grams (100 g), 100 milliliters (100 ml) or deciliter (dl) of blood. These Effects Of Overexposure To Lead three units are essentially the same. Sometimes PbBs are expressed in the form of mg% or µg%. This is a shorthand notation for 100 g, 100 ml, or dl. 

PbB measurements show the amount of lead circulating in your blood stream but do not give any information about the amount of lead stored in your various tissues. PbB measurements merely show current absorption of lead, Effects Of Overexposure To Lead not the effect that lead is having on your body or the effects that past lead exposure may have already caused. 

Past research into lead-related diseases, however, has focused heavily on associations between PbBs and various diseases. As a result, Effects Of Overexposure To Lead the relative level of your PbB is an important indicator of the probability of your acquiring a lead related health impairment or disease. Once your blood lead level climbs above 40 µg/100 g, your risk of disease increases. 

There is a wide variability of individual response to lead, Effects Of Overexposure To Lead thus it is difficult to say that a particular PbB in a given person will cause a particular effect. Studies have associated fatal encephalopathy with PbBs as low as 150 µg/100 g. Other studies have shown other forms of disease in some workers with PbBs well below 80 µg/100 g. 

Your PbB is a crucial indicator of the risks to your health, Effects Of Overexposure To Lead but one other factor is also extremely important. This factor is the length of time you have had elevated PbBs. The longer you have an elevated PbB, the greater the risk that large quantities of lead are being gradually stored in your organs and tissues (body burden). The greater your overall body burden, the greater the chances of substantial permanent damage.

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