Vitamin K :: Update on Tufts Vitamin K Research

Seniors aren’t consuming enough vitamin K, notes a review, and studies should continue to examine non-dietary factors related to vitamin K status, like effects of estrogen on vitamin K metabolism.

Vitamin B :: Folate and B12 may influence cognition in seniors

Folate may protect cognition in seniors, but only with adequate levels of vitamin B12. In an epidemiological study, low B-vitamin status was associated with anemia and cognitive impairment. Low vitamin B12 status was especially linked to these conditions if seniors also had high folate in the blood.

Smell :: Smell may outlast other senses

While eyesight and hearing deteriorate markedly during the normal aging process, new research suggests the sense of smell may actually last longer in otherwise healthy individuals.

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