http://www.news.harvard.edu/gazette/2006/12.07/11-dairy.htmlThis article urges me on to producing ALL our own dairy products. Right now we are doing milk, kefir, yogurt, cream and cream products and soft cheeses. I might need to venture into the aged cheeses next. Estrogen dominance is a very serious problem in modern society and I feel that that is the main cause of my thyroid and adrenal disfunction. I do NOT want my children to suffer the way I have.