In ancient Rome lead was used frequently. The most exposed to the noxiousness of lead were the miners and the workers that were treating the metal. The Romans noticed the lead caused illness with miners. but they nevertheless thought that small amounts of lead do not jeopardize the life of the rest of the population. https://www.roneverhart.com/5-5-Parlor-Palm-Artificial-Tree-in-White-Tower-Planter/