The "bean" is the seed, however it is not really a bean. In this seed, there is ricin, a deadly toxin. The lethal dose for adults is 4 to 8 seeds, however reports of poisoning are relatively rare....
You can't.
No, it does not. Gluten is only found in grains (such as wheat and oats); beans are not grains.
Ricin
Anytime of the Year, inside or outside as long as its not winter