4 ms·
When a friend whose son has tree and ground nut allergies told me this, I didn't believe it, but to her, it made perfect sense. With the thresholds for anaphyla
by washadjeffmad 2y ago
When a friend whose son has tree and ground nut allergies told me this, I didn't believe it, but to her, it made perfect sense. With the thresholds for anaphylactic response so low, it's costlier not to be able to guarantee that there's no cross contamination than to just add the allergen.