1 2 3 4 5 6 7 8 9 10 6.5/10 X. A murder inside the Louvre and clues in Da Vinci paintings lead to the discovery of a religious mystery protected by a secret society for two thousand years -- which could shake the foundations of Christianity.
Print. Email. Lead is definitely harmful for adults to ingest or breathe, a fact known since the second century A.D., when a Greek physician named Dioscorides said, âLead makes the mind give way.â Of course, the greater the exposure, the more severe the symptoms.rint. Email. Lead is definitely harmful for adults to ingest or breathe, a fact known since the second century A.D., when a Greek physician named Dioscorides said, âLead makes the mind give way.â Of course, the greater the exposure, the more severe the symptoms.
Overall, higher lead exposures during childhood was associated with lower IQ as an adult. The average blood lead levels of the 43 study participants in the adult follow-up reached maximum at two years old (10 Âµg/dL) and then declined to 6.7 Âµg/dL at four years of age and then 3 Âµg/dL at 10 years of age.