What Is Lead In Blood. In vessels calcium promotes vessel narrowing to increase blood pressure so lead does the same damaging vessels over time. Blood lead level bll is a measure of the amount of lead in the blood.
Cdc now uses a blood lead reference value of 5 micrograms per deciliter µg dl to identify children with blood lead levels that are much higher than most children s levels. It is usually found in earth s crust in trace amounts but can be found in the environment all around us. Even low levels of lead in blood have been shown to affect iq ability to pay attention and academic achievement.
The centers for disease control us has set the upper limit for blood lead for adults at 10 µg dl 10 µg 100 g and for children at 5 µg dl.
While it has some beneficial uses it can be toxic to humans and animals causing health effects. Lead poisoning is a serious and sometimes fatal condition. It not only causes toxicity in humans but also in animals. 1 2 lead is a toxic heavy metal and can cause neurological damage especially among children at any detectable level high lead levels cause decreased vitamin d and haemoglobin synthesis as well as anemia acute central nervous system disorders and possibly death.