CDMA (Code Division Multiple Access) and GSM (Global System for Mobiles) are shorthand for the two major radio systems used in cell phones. Both acronyms tend to group together a bunch of technologies run by the same entities. In this story, I'll try to explain who uses which technology and what the real differences are.
Dairy. Dairy products provide nutrients that are critical for bone health, including calcium, potassium and vitamin D. Dairy is also a source of protein. The benefit dairy provides for bones makes consumption especially critical for growing children, whose bone mass is developing.
Nutrients 101: Essential and Non-Essential Nutrients Explained. Every day you consume food to nourish and fuel your body, as eating many different nutrients that are essential to maintaining optimal health. These are called essential nutrients and include vitamins, minerals, proteins, fats and carbohydrates.However, some nutrients are made in the human body, and these are called non-essential nutrients. Although termed non-essential, they are still required by the body for supporting daily bodily processes.itamins. Found in a variety of foods, especially vegetables and fruits and are key in helping the body make energy from food. 1  Vitamin A (beta-carotene, retinol). 2  Vitamin B1 (thiamin). 3  Vitamin B2 (riboflavin). 4  Vitamin B3 (niacin). 5  Vitamin B5 (pantothenic acid). 6  Vitamin B6 (pyridoxine). 7  Vitamin B7 (biotin).