Hindustan Times (Patna) - - HTWORLD -

WASHINGTON: Vi­ta­min D and cal­cium sup­ple­ments taken to­gether in low doses of­fered no pro­tec­tion against de­men­tia, ac­cord­ing to a US study of older women but sci­en­tists are still hold­ing hope for vi­ta­min D alone.

Past re­search has sug­gested vi­ta­min D might pro­tect against me­mory loss and over­all func­tional de­cline in the ag­ing brain but more than 2,000 women, who took part in the study and had taken 400 units of vi­ta­min D and 1,000 mg of cal­cium daily for eight years devel­oped im­pair­ments at the same rates as a com­par­i­son group.

But re­searchers said dur­ing th­ese years they gained a bet­ter un­der­stand­ing of how cal­cium and vi­ta­min D might have con­flict­ing ef­fects so the com­bi­na­tion of the two might ex­plain the dis­ap­point­ing re­sults.

“I think the de­fin­i­tive study will just look at the ef­fects of vi­ta­min D,” said Re­becca Ros­som from Health Part­ners In­sti­tute for Ed­u­ca­tion and Re­search.

She added the study is still im­por­tant be­cause it “gets closer to how women take vi­ta­min D” to build bone den­sity.

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