Human studies have reported developmental effects, such as CNS dysfunction, attention deficits, and minor craniofacial and limb anomalies, in the children of pregnant women exposed to high levels of toluene or mixed solvents by inhalation.
Contrary to popular belief, the expedition DID NOT begin in St. Louis, Missouri. The first entry in the Lewis and Clark Expedition Journals state that the journey began in Pit â¦ tsburgh, PA on August 30, 1803. Lewis, who had been assigned by Jefferson sailed down the Ohio River with supplies towards St. Louis.
With journals in hand, Lewis, Clark, and the other members of the Expedition returned to St. Louis by September 1806 to report their findings to Jefferson. Along the way, they continued to trade what few goods they still had with the Indians and set up diplomatic relations with the Indians.he Lewis and Clark Expedition paddled its way down the Ohio as it prepared the Expedition to be launched officially from Camp Wood, just outside St. Louis, in the summer of 1804.