They are the mainly consumed types of nutrients, and are as well as the most important source of energy for your body. You can still consume them in a healthy way if you take whole grains over refined grains, and as well as limit the amount of added sugar.
The consumption of water is the essence of human survival, namely the human body cannot survive without water as it is consisted 50-75% water. Water is the basis of blood, digestive juices, urine and perspiration. Plus water is present in lean muscle, fat and bones. Our body cannot store water, and because of that it needs fresh supplies each day so that it covers for losses from the skin, lungs, urine and poo.
Each person requires different quantities of water as we differ in body size, metabolism, the food we take in and activity levels we perform. Plus, there are the weather conditions meaning when it is hot we perspire a lot therefore we need more water. Have in mind that bloated stomach is sign of fluid retention.
Last, but not at least is the stress which is the way how the body responds to any kind of demand or threat. In situations of threat and demand, the nervous system responds by releasing a flood of stress hormones such as adrenaline and cortisol, which rouse the body for emergency action.