Zinc may help prevent pneumonia

Maintaining normal zinc concentrations in the blood may help prevent pneumonia in elderly nursing home residents.
A team at Tufts University looked at 617 people 65 and older in 33 nursing homes in the Boston area.
They found that those with normal blood zinc concentrations were about 50 percent less likely to develop pneumonia than those with low concentrations, and people with normal zinc concentrations had a 39 percent lower rate of death from all causes.
The Tufts researchers took blood samples from the participants at the start and conclusion of the one-year study. All the participants received daily supplements containing 50 percent of the recommended dietary allowance of several vitamins and minerals, including zinc, for one year.