We light up our brains with this burning question, igniting the issue with a Professor of Chemistry and Fire Science, Richard Hull, from Lancaster University. Like this podcast? Please help us by <a href="https://www.thenakedscientists.com/donate">supporting the Naked Scientists</a>

Which painkiller should I use?

Each week we set out to solve one of the world's weirdest, wackiest, funniest and funkiest scientific puzzles. And along with the answer there's a brand new question to think about for next time...