Interesting. That did not work for us, however. I bf exclusively for nearly 6 mo, then slowly introduced food, while still bf'ing.
We quickly found out he was allergic to milk and nuts though. I like the continuing research, even if we're the exception to the rule.
http://www.parents.com/blogs/parents-news-now/2013/12/03/must-read/timing-of-babys-first-solids-may-impact-allergy-risk/?socsrc=pmmfb1312042