There has always been some concern and debate about the safety of growth hormone in milk. Nothing has been demonstrated conclusively as a fact sheet from Cornell University outlines. Consumers don't want growth hormone in their milk and Walmart is responding. Starbucks, Kroger and Safeway have also begun the switch. I personally don't give my children milk from cows that have been given these growth hormones.
Decide for yourself:
Growth Hormones in Milk is...
no problem - Cornell University
may be a problem - Natural News