A (bad) habit spread in the courts and four sixteenth especially Italian, the poison, which he made the fortune of many prominent political figures and many alchemists of.
At the dawn of an albeit vague emerge rule of law, which made it more difficult to get rid of enemies or anyone constitute an obstacle to their ambitions, in a period strongly and sadly characterized by intrigue and rivalry of any kind for the attainment of power, l’“weapon of cowards”, as it was called since the Middle Ages, often served to regulate private wars arose within the ruling families, without hardly ever they would suffer personal consequences and penalties for their wicked behavior.
The poison, in particular’arsenic, always “the king of poisons and poison of kings”, eliminated yl “problem” at the root, rapidly and without leaving a trace, a real godsend for the many principles unscrupulous who lord from the north to the south of the peninsula.
What about the Borgia?
The use of poison by members of this deadly family for the fate of Italy, certainly known more for endless
atrocities committed for alleged political merits, It remained even legendary; it is said that Cesare, the infamous son of Pope Alexander VI, always bring the finger with a conspicuous ring containing “cantarella”, a derivative of arsenic that had the “merit” to kill without leaving dangerous signs of self, even if '”experience” in fact poisonous substances gained in the field, he could probably avoid a Borgia pope the same fate that had ruthlessly reserved for his enemies, Having regard to the rapidity with which died for a strange and sudden form of malaria.
For complete information it is fair to point out that scarce medical and scientific knowledge of the fifteenth and sixteenth centuries did shout poisoning even when in reality the suspicious deaths had quite different causes, but this does not detract from the historical certainty of its wide use in the Renaissance (Photo gives: fototeca-gilardi.com e tempi.it).