News Health & Medicine Scientists find a soup of suspects while probing milk’s link to cancer Latest studies focus on estrogens, androgens and IGF-1 By Janet Raloff March 13, 2009 at 1:25 pm - More than 2 years ago Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Got milk? Adults who answer yes may face a slightly heightened risk of cancer. Some emerging data may help scientists figure out why. DAIRY COW HUSBANDRY AND HORMONES | Estrogen levels vary by type of milk, but when a cow is milked also affects the content.