Poisons are a potent tool for murder in fiction – a toxicologist explains how some dangerous chemicals kill
- Written by Brad Reisfeld, Professor of Chemical and Biological Engineering, Colorado State University
Poisons are often not so clearly labeled.Josefe Photography/iStock via Getty Images PlusPeople have used poisons throughout history for a variety of purposes: to hunt animals for food, to treat diseases and to achieve nefarious ends like murder and assassination.
But what is a poison? Do all poisons act in the same way? Does the amount of the...





