<prompt> Translate the following text to EnglishWatu wanaotilia shaka bidhaa za maziwa wanasema: Kama kalsiamu ndiyo suluhisho, basi inapaswa kuzuia na kutibu ugonjwa wa mifupa, lakini haifanyi hivyo.  <response>: Fine, say the dairy doubters, if calcium is the answer, then it should both prevent and cure osteoporosis, but it doesnt. 