ðə ɹˈoʊl ʌvðə dˈaɪət ænd ɪts ˈɪnfluːəns ɔnðɪ æsˈɪdᵻɾi ʌv jˈʊɹɹɪn hˈæzbiːn stˈʌdid fɔːɹ dˈɛkeɪdz, æz fˌɪzɪˈɑːlədʒˌɪsts hæv stˈʌdid ðə kˈɪdniz ɹˈoʊl ɪnðə bˈɑːdiz ɹˈɛɡjʊlətˌoːɹi mˈɛkənˌɪzəmz fɔːɹ kəntɹˈoʊlɪŋ ðɪ æsˈɪdᵻɾi ʌv bˈɑːdi flˈuːɪdz.
The role of the diet and its influence on the acidity of urine has been studied for decades, as physiologists have studied the kidney's role in the body's regulatory mechanisms for controlling the acidity of body fluids.