TikTok found Europe’s miracle diet. As always, Cyprus knows better.

In Cyprus, the Mediterranean diet does not arrive in a carefully labelled box. It is there in the lentils, beans and fresh greens, the fish placed in the middle of the table, the tomatoes that actually taste of tomatoes and the olive oil poured without anybody consulting an app. There is bread, yoghurt, fruit and, naturally, halloumi.

This is the diet now being rediscovered online by travellers who arrive in Europe, eat everything they normally avoid and announce that their bodies have...