3 ms·
Yes, a banana has an effective radiation close to 0 because our bodies evolved to hold its level of potassium in homeostasis. Your body already has radioactive
by legulere 4y ago
Yes, a banana has an effective radiation close to 0 because our bodies evolved to hold its level of potassium in homeostasis. Your body already has radioactive potassium in it. When you eat more potassium, the excess is excreted and the amount of radionuclides in your body stays the same. Caesium-137 on the other hand is drastically more radioactive and stays longer in the body.
- zosima 4y agoSeems that caesium-137 is also excreted pretty quickly: https://en.m.wikipedia.org/wiki/Caesium-137 https://en.m.wikipedia.org/wiki/Caesium-137 Still even though it's hard to find good numbers, and the average seems to be ~ banana / kg. I believe there's at least reports of mushrooms and boars with ~10-100 times the radiation of an average banana. I don't think it's actually possible to show any health effects of that amount of radiation, even if ingested (and excreted) but it's more than the average banana.