Asthma, a chronic inflammatory disease of the lungs, has doubled across the globe in the last two decades. The changing environment is thought to be behind the large increases, however pinpointing the exact culprits is difficult.
Microbes are different in the guts of asthmatics. This has led to the hope that probiotics will be beneficial therapies in asthma. Studies show a modest but positive effect in lung function of asthmatic schoolchildren.
Further reading on arthritis and probiotics:
Reduced medication use and improved pulmonary function with supplements containing vegetable and fruit concentrate, fish oil and probiotics in asthmatic school children: a randomised controlled trial.