Do you find yourself falling sick quite often? Do you experience extreme fatigue for no apparent reason? If yes, then maybe it is a sign that your immune system is losing its strength. For a person to stay healthy, it is important for them to have a strong immune system that has the capacity to fight against disease-causing agents that enter the body. The weaker the immune system, the more prone a person is to ailments.And constantly falling sick is no fun. Missing out on work, not being able to go out with friends, discomfort, pain, etc, can make our lives rather miserable. So, in order to maintain good health, it is important for a person to maintain a healthy lifestyle, especially a healthy diet.