Man kifi yana daga cikin kayan kari da ake sayarwa da niyyar kare tsokoki masu tsufa, amma menene ainihin hujjar kimiyya? Bincike mai fadi da aka gudanar a 2026 ya haɗa gwaje‑gwajen RCT bakwai da meta‑analysis bakwai daga manyan masana a kan manya masu shekaru 55 da sama. An samu ƙaruwa ƙanana a ƙarfafa, musamman a ƙafafu ƙasa, yayin da ba a sami tabbataccen shaidar ƙarfafa rike, saurin tafiya ko ƙarfafa tsoka a sassan sama ba. Maimaituwar gwaje‑gwaje da kusan iri ɗaya ya rage ƙarfi hujjar kamar yadda ake tsammani. Ga abin da ke nufin ga kai, wa zai amfana, da waɗanda ya kamata su tuntuɓi likita da wuri.
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