Of a group of 250 seventh graders, only those who received fruits rich in zinc performed well in cognitive tasks. The best explanation for this finding is that zinc may be good for boosting cognitive acuity.
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The recommended daily dietary allowance for zinc among males older than age 50 years is 15 mg/day. The article "Nutrient Intakes and Dietary Patterns of Older Americans: A National Study" (J. of Gerontology, 1992: M145-150) reports the following summary data on intake for a sample of males age 65-74 years: n = 115, x̄ = 11.3, and s = 6.43. Does this data indicate that the average daily zinc intake in the population of all males ages 65-74 falls below the recommended allowance?
Adi S.
The recommended daily daily dietary allowance for zinc among males older than age 50 years is 15 mg/day. The article "Nutrient Intakes and Dietary Patterns of Older Americans: A National Study" (J. Gerontol., $1992 :$ M145-150) reports the following summary data on intake for a sample of males age $65-74$ years: $n=115, \overline{x}=11.3,$ and $s=6.43 .$ Does this data indicate that average daily zinc intake in the population of all males age $65-74$ falls below the recommended allowance?
Jen H.
Older adults with a zinc deficiency could consume all of the following to increase zinc intake EXCEPT: oysters red meat poultry orange juice fortified cereal
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