Things That Seem Harmless but Can Kill

Posted by Reinaldo Massengill on Friday, March 8, 2024
Flickr/Vlad B.

Water may seem like the least harmful substance, but drinking too much of it can kill.

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So can too much of other things that most of us take for granted — from caffeine to the stuff you use to clean your bathroom.

To calculate how much of each of these items would be dangerous enough to kill, we've used a standard measure of toxicity known as LD50, the individual dose it would take to kill half the animals it was tested on.

This amount can vary pretty significantly depending on someone's health, gender, and medical history. The potentially deadly dosages in the slides that follow were calculated for the average 196-pound American male.

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