In Europe, arsenic quickly displaced plant poisons. In the Middle Ages, the properties of white arsenic were already well known and characterized by the words: If anyone eats even a pea of this substance or even less, they will perish. There are no methods of treatment.
so different that in ancient times it was confused with various diseases,
up to venereal ones.
— the picture of poisoning can be
With periodic
or prolonged use of small doses
it affects the nervous system, blood, and causes diseases of the mucous membranes and skin.
for crimes: when dissolved in water and common liquids, it gives no color or smell.