My mom sent me this article from Huffington Post that says, according to a cost analysis, "The lives of nearly 900 babies would be saved each year, along with billions of dollars, if 90 percent of U.S. women fed their babies breast milk only for the first six months of life."
Also on breastfeeding, I read this in little snippet by Elizabeth Barker in my Body + Soul mag:
"If breastfeeding is a mother's little helper in weight loss, it may also be your secret little robber in bone loss. Your new job as milk supplier steals around 200 mg a day from your calcium stores, affecting your bones--unless you exercise, according to new research from the American College of Sports Medicine. In a one-month study, breast-feeding mothers who worked out had a significantly smaller drop in bone-mineral density (compared to a sedentary control group) and lowered their body fat without dieting. The weekly regimen included three 45-minute bouts of weight-bearing cardio and three strength-training sessions. .."