Calorie - counting diets can deprive growing bodies of the energy they require and lead to symptoms of anorexia nervosa, even when the teen may not look overly thin. (treehugger.com)
By curbing out the carbs, you also deny your body of the energy provided by them, and as a result you can feel tired, irritated and generally weak. (fitnessandpower.com)
It has been said that positive ions can drain your body of energy while negative ions help rejuvenate the body and mind. (mindbodygreen.com)