Atli Arnarson, PhD, licensed nutritionist, in a June 4, 2017 article for healthline.com titled "Does Dairy Cause or Prevent Cancer? An Objective Look," wrote:

“Cancer risk is strongly affected by diet. Many studies have examined the relationship between dairy consumption and cancer. Some studies indicate that dairy may protect against cancer, while others suggest that dairy may increase cancer risk…

Colorectal Cancer Colorectal cancer is cancer of the colon or rectum, the lowest parts of the digestive tract. It is one of the most common types of cancer in the world. Although the evidence is mixed, most studies indicate that eating dairy products may reduce the risk of colorectal cancer…

Prostate Cancer The prostate gland is located just below the bladder in men. Its main function is to produce prostate fluid, which is a part of semen. In Europe and North America, prostate cancer is the most common type of cancer in men. Most large studies indicate that high dairy consumption may increase the risk of prostate cancer. One Icelandic study indicates that high milk consumption during early life may increase the risk of advanced prostate cancer later in life…

Stomach Cancer Stomach cancer, also known as gastric cancer, is the fourth most common cancer in the world (24). Many major studies have found no clear association between dairy intake and stomach cancer. Possible protective milk components may include conjugated linoleic acid (CLA) and certain probiotic bacteria in fermented milk products…

Breast Cancer Breast cancer is the most common form of cancer in women. Overall, the evidence indicates that dairy products have no effects on breast cancer. In fact, some studies indicate that dairy products, excluding milk, may have protective effects.”

June 4, 2017