The Gas That Was Meant to Heal — But Became a Weapon Did you know a cancer treatment was discovered because of chemical warfare? During World War I, scientists studying Ypres battlefield casualties noticed something strange about soldiers exposed to mustard gas. Their white blood cells were destroyed. At first, this discovery was terrifying. Mustard gas had already become one of the most feared chemical weapons in history — burning skin, lungs, and eyes. But decades later, researchers wondered s

Chemical Weapons - Humanity’s Most Inhumane Invention