

It would not make a chain reaction because the nuclei of typical atoms are unlikely to split when irradiated (that is to say, hit by the pieces of the original atom that split) and will more likely ionize (have an electron knocked off) or transmute (turn into a different element by changing the number of protons).
In nuclear weapons or reactors the uranium must be “enriched” because regular uranium atoms are too stable to sustain a fission reaction. We must have a high amount of rare uranium-235 (the easily splittable isotope) compared to U-238 (the more common stabler isotope) which is why uranium needs to be enriched. Most of the atoms in your salad are stable isotopes, so there will likely not be any cascading fission reactions even if your teeth were somehow able to trigger one (or even 1000) every single time you took a bite.




Although I do not personally feel that apartments are inherently depressing, perhaps someone who was more worried about exactly what decisions they are allowed to make about their living space might. They may be considering the lack of agency one experiences in some regards as a renter, which could make them feel as though every apartment type situation was inherently depressing.