The U.S.-Mexico border is an area of arid or temperate climate, low population, and is the only place in the world where rich and poor countries abut. Because it is home to the manufacturing assembly industry (maquiladora), the region has a higher gross domestic product than the rest of...
To reduce the risk of osteoporosis in later periods of life, it is crucial to maximize peak bone mass and bone strength during childhood and adolescence [3,4]. Bone development requires sufficient amounts of many nutrients, but calcium has received the greatest attention as its principal componen...