Romans were well known for their sewage system and famous for their use of aqueducts to transfer spring water from the mountains to their cities to provide clean drinking water. I know that they used lead pipes to transfer their water underground for people to drink. Now a days we know using lead pipes can be extremely dangerous and dramatically increases the chance of getting lead poisoning by drinking the water carried by lead pipes.

Was lead poisoning something the Romans knew about and how did it affect the people in these cities?