If you drink 2 glasses of milk or get that amount in some way in your meals and snacks each day, you're a wise person nutritionally speaking. If you don't, you're overlooking an important nutrient in your diet. Here's why it pays to get enough calcium-rich foods.
Swanson, Pearl and Willis, Elisabeth
"Your Need for Calcium,"
Iowa Farm Science: Vol. 9
, Article 5.
Available at: https://lib.dr.iastate.edu/farmscience/vol9/iss9/5