These nervous system problems can sometimes clear up if they are mild, but they can also be irreversible in other cases. Lead is linked with serious kidney damage. One of the problems with kidney damage is that few symptoms show up. Lab tests typically reveal this type of kidney disease only after two thirds of kidney function is gone. Kidney dialysis or death can be the end result.
Some studies also link toxic effects on the kidneys with hypertension and blood pressure problems.
There is some evidence from animal studies that lead can cause kidney cancer as well. Effects on the Reproductive System Lead is linked with reproductive effects in both men and women. Infants of mothers with lead poisoning have suffered from slower growth and nervous system problems. Also, death was more likely in the first year of life. This symptoms can lead to a failure to conceive.