Milk does a body good? Increasingly, experts say that message is being driven more by marketing than hard science. Various studies now link heavy milk consumption in adults with greater risks of cancer, heart disease and, most recently, bone fractures and even death. “There’s very little evidence that most adults need it,” one pediatrician says. What’s not disputed is that large sums of money are poured into promoting milk as a healthy drink. This subject deserves a closer read — perhaps with some cookies.