Immune system is not an organ neither it is like other body systems. It is patrolling and protecting system of the body which works with white cells, lymphatic vessels and organs, bone marrow, specialized cells found in various tissues and specialized substance called serum factor. Ideally all of these components seek and destroy the things that do not belong to the body.
Weak immune system show its symptoms by getting a person more frequently sick than others. Frequent bacterial and fungal infections suggest weak immune system. Allergies from various substances, organisms and chemicals also suggest that body's protective shield is not strong enough or has been weakened. Recurring infections, constant fatigue, tiredness, depression, stress, lethargy, frequent occurrence of diarrhea are also symptoms of weak immune system. Insomnia and dark circles around eyes also suggest of weak immune system of the body.
There are many factors responsible for causing weak immune system including exposure to chemicals present in environment or at work place, UV radiations, athletic overtraining, inadequate sleep, drug therapies, surgery, certain viral and bacterial infections and blood transfusion. Dietary indiscipline is one of the major causes and high sugar intake is one of them. Sugar does not contain any mineral, fiber and vitamin and body use its own deposit to digest it which brings metabolism rate of fats and cholesterol down to halt immune system. Toxins are flushed out of the body by liver, kidney, small intestine and skin. If due to any reason they are allowed to stay in the body they provide supportive environment for infections to grow and flourish. Diet lacking all the necessary nutrients also weakens the immune system as body on its own cannot produce all the required nutrients. Vitamin C is very important and intake of this vitamin through diet strengthens the immune system.
Lack of water in the body or regular dehydration can cause severe damage to immune system. Excessive consumption of alcohol and lack of physical activity are one of the major causes for weak immune system in present scenario. Exercises improve blood flow and also raise the temperature of the body to help immune system fight bacterial infections and nullify toxins and free radicals in the blood. Prolonged stress and some medicines also damage protective shield of the body. Anti-biotic and anti depressants have been found to weaken the immune system. Personal hygiene also helps the immune system to work effectively as it reduces the exposure of the body to germs and infections. This also includes cleaning of home, belongings and regularly used clothes.
Amla is the biggest natural source of vitamin C on the planet and a boon to strengthen weak immune system. It has rich anti-oxidant properties to fight cancer and also virus causing HIV and AIDS. It helps in lowering cholesterol and blood pressure to give support to immune system. It raises protein level in the body, helps in controlling fat, improves iron absorption, supply essential amino acids, helps in flushing out toxins, rich source of minerals and has powerful astringent properties to boost the immune system. Consumption of Amla, through diet or as supplement, can alone solve various health related issues by raising the levels of immunity immensely.