Follow-Up Study Shows Zinc May Not Benefit Infants' Mental DevelopmentFollow-Up Study Shows Zinc May Not Benefit Infants' Mental Development

LONDON--Prenatal supplementation with zinc alone does not seem to benefit infants' mental development, according to a follow-up study printed in the July 27 issue of The Lancet (360, 9329:290-4, 2002) (www.thelancet.com). Researchers, led by Jena D. Hamadani, M.D., from the Institute of Child Health in London, based their current study on previous results published last year that indicated infants one month of age who received 5 mg/d of zinc for five months did not score as well on mental development indexes as infants receiving placebo (

Am J Clin Nutr