Zinc reduces infections

Healthy mature adults who took zinc had fewer infections than those who took a placebo in a new study. Researchers recruited 50 healthy men and women of all ethnic backgrounds aged 55 to 87 to take 45 mg of elemental zinc per day or a placebo for 12 months. Compared to a group of younger adults at the start of the study, participants had significantly lower blood-fluid (plasma) levels of zinc and higher levels of inflammation and cell damage (oxidative stress). By the end of the study, compared to placebo, the zinc group had had fewer infections, reduced levels of inflammation and less oxidative stress. 

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