I don’t need to tell you the benefits of a healthy diet and lifestyle or that the risk of multiple diseases increases with poor nutrition. I’ve outlined some of the basics here to show that it isn’t difficult to improve your diet- knowledge is power! Calories A calorie is a unit of energy- one calorie is the amount of energy needed to heat one gram of water one degree Celsius. Every food or drink you consume –other than water- provides your body with energy (calories) and the