Any basis for this recommendation? references?
There's a lot out there, but here are a few.
From the National Institute of Health:
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=12480795&dopt=Citation
From The University of Maryland Medical Center:
http://www.umm.edu/altmed/ConsSupplements/Omega3FattyAcidscs.html