Recently I found this article "Early infancy microbial and metabolic alterations affect risk of childhood asthma."
The summary section says (underlines mine): "Changes in the gut microbiota have been implicated in the development of asthma in animal models; however, it has remained unclear whether these findings hold true in humans. Now, Arrieta et al. report in a longitudinal human study that infants at risk of asthma have transient gut microbial dysbiosis during the first 100 days of life. They found that certain bacterial genera were decreased in these children. Moreover, adding these bacteria back to germ-free mice decreased airway inflammation, suggesting a potential causative role of the loss of these microbes. They suggest a window where microbe-based diagnostics and therapeutics may be useful to prevent the development of asthma in high-risk individuals."
So if you lose microbes in your digestive system due to antibiotics as an infant your chances of asthma increase.
We are killing our children with cleanliness and antibiotics to keep them germ free. And germ free children are at risk of poor health.
(See "Death by Hand Sanitizer"...)
Even the FDA now recognizes the folly of the chemicals, like triclosan, I wrote about six years ago.
Too bad little Suzy and Johnny have been screwed over in the mean time... (the better for the FDA's corporate cronies to profit from treating little Suzy and Johnny maladies).
Maybe grandma wasn't all that stupid after all with her lye soap, tinctures and "remedies."
Try looking into iodine, for example.