http://articles.mercola.com/sites/articles/archive/2008/01/02/dairy-industry-self-destructs.aspxIn the last two years, IGF-I has been identified as the key factor in the growth and proliferation of various cancers including prostate cancer (Science - January, 1998), breast cancer (The Lancet - May, 1998), and lung cancer (Journal Of The NationalenCommunityServer 2008.5 SP1 (Build: 31106.3070)