• http://www. webmd.com/fitness-exercise/features/exercise-at-your-desk

• http://workawesome .com/productivity/natural-energy-foods

• http://www.organize it.co.uk/2008/03/31/6-ways-for-maintaining-high-energy-levels

www.berwickheartsupport.co.uk/html/breathing_exercises.html

• http://www.eatingwell .com/nutrition_health/nutrition_news_information/how_to_ hydrate