a lot of milk would be bad for you because it contains fat and cholestrol, so while you are doing good from the calcium point of view you doing bad from the other. All things in moderation!!
suggest a correlation between high calcium intake (2000 mg per day, or twice the US recommended daily allowance, equivalent to six or more glasses of milk per day) and prostate cancer.[15] A large study specifically implicates dairy.[16] A review published by the World Cancer Research Fund and the American Institute for Cancer Research states that at least eleven human population studies have linked dairy product consumption and prostate cancer.