People doing it everywhere around the world for almost a century now, effectively is. Unsurprisingly for anyone whose understanding of science extends beyond cheap comic book tropes, everything is fine.
Radiation isn't evil magic, mutations don't give superpowers. Both are natural phenomena, and they're not anything like they're portrayed in comic books.
Might as well worry about watering your plants. Plants are perfectly fine, they live and grow by nature magic, no need for humans to play god and add water to the mix, what could possibly go wrong?