(4) A review paper found that probiotic supplementation was able to significantly reduce the number of upper respiratory tract infections as well as reduce antibiotic prescription rates. (naturopathiccurrents.com)
They are the second most common cause of lower respiratory tract infection in younger children. (sciencedaily.com)
In particular, lower respiratory tract infections in early life seem to have the greatest adverse effect on lung function and the risk of asthma. (sciencedaily.com)