Toxicological trivia, September 22, 2009: Orfila said in 1817: "If we were to judge the interest aroused by any health topic by the number of papers that have resulted, one could argue that the most important of all known that have been considered so far, is the  poisoning by …":
a) Lead;
b) Mercury;
c) Arsenic.

Answer a. Read more in Spanish, Lead