Toxic?

Toxon— bow. Originally, toxicon— poison applied to the tips of arrows?

What is interesting is that when it comes to toxic things, it is seen as university bad. However, there are some toxins in certain dosages which are actually stimulating and give us more power.

For example, coffee and tea, green tea. The caffeine in coffee and tea is a natural pesticide, a toxin to prevent predators from eating it. But this toxin and poison is actually stimulating to humans.