Protein Guide: Benefits of Shakes, Whey & Lean Sources

Protein shakes can be beneficial for hair and muscle growth, but too much protein may cause kidney damage. Identify the best lean sources like beans and eggs while understanding the differences between whey and casein for your diet.

Too Much Caffeine & Lightheadedness

Published Aug,23 2011 | By Christy Bowles

You may drink caffeinated beverages, such as coffee or tea, in the morning because they offer a boost of energy. Caffeine is a stimulant, and when you consume caffeinated foods or drinks, it passes quickly to the brain and stimulates the central nervous system, relieving fatigue or drowsiness, especially upon waking.