the.com/thallium
the poisoner's favorite metal — odorless, tasteless, and lethal long before anyone suspects a thing
murder weaponnicknamed the poisoner's poison and inheritance powder
hair falloutvictims lose their hair before dying
agatha clueChristie's novels helped doctors diagnose real poisonings
named forGreek thallos, a green budding twig
once a curesold to treat ringworm and night sweats