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 Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to share on X (Opens in new window) X Click to 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.