NYTimes By RONI CARYN RABIN Published: November 14, 2011
Jan Brehm lives in rainy Portland, Ore., and she has always dreaded this time of year, when the days get shorter, her mood plummets and all she wants to do is crawl into bed and eat cookie dough.
What is transfer factor? First discovered by immunologist H. Sherwood Lawrence in 1949, transfer factors are immune messenger molecules comprised of amino acids. In mammals