Sweet, salty and a little bit saucy: the science of why bad things taste so good

Does salt actually have the same effect on the brain as opium?

Image of a podcast graphic showing illustrated test tubes, rocket ship, toothpaste, microscope, pineapple, toothpaste tube and roll-on deoderant. Text reads: Huh? Science Explained. Logos featured include: LiSTNR and Cosmos / RiAus