In Dr. Fuhrman's book Disease-Proof Your Child, Dr. Fuhrman presents studies linking diseases to cow's milk that including: allergies, anal fissures, childhood-onset (Type 1) diabetes, chronic constipation, Crohn's disease, ear infections, heart attacks, multiple sclerosis, and prostate cancer. He explains:
The leading cause of digestive intolerance leading to stomach complaints is dairy products. Many kids have subtle allergies to cow's milk that perpetuate their nasal congestion, leading to ear infections.
Milk, which is designed by nature for the rapidly growing cow, has about half its calories supplied from fat. The fatty component is concentrated more to make cheese and butter. Milk and cheese are the foods Americans encourage their children to eat, believing them to be healthy foods. Fifty years of heavy advertising by an economically powerful industry has shaped the public's perception, illustrating the power of one-sided advertising, but the reality and true health effects on our children is a different story. Besides the link between high-saturated-fat foods (dairy fat) and cancer, there is a body of scientific literature linking the consumption of cow's milk to many other diseases. If we expect our children to resist many common illnesses, they simply must consume less milk, cheese, and butter. Dairy foods should be consumed in limited quantity or not at all.
Cow's milk contains the calcium people need, but other foods are rich in calcium, too, including vegetables, beans, nuts, and seeds. Today we do not need to rely on cows for our calcium. We can eat greens directly for calcium, the place where cows get it to begin with, and orange juice and soy milks are fortified with calcium and vitamin D, too. It is easy to meet our nutrient needs for these substances without the risks of cow's milk.