the name Rad origin from gothenburg. but is also got origin in stockholm sweden. the swedish people who goes under the name Rad has been exposed to does of radiation through their life and has given them a more resistance tolerance to any kinds of radiation. like most radiation has some complications with the body this is more affecting the brains chemicals to the point it gives more dopamines ( reward system ) but lowers the more human aspects such as empathy and rational thinking.
Rad name
person 1 : "did you hear he saw a man die, I hope he is gonna be fine after seeing something like that " .
Person 2 : " nah don't worry he is pretty rad ".
person 1 : "oh well I suppose that is why he is so chill about it "