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Sunday, November 18, 2012

immunity

Immunity



Immunity is the natural way by which our body protects us from natural ailments or diseases. Our body has immune system by the help of which our body can fight against antigens which was previously recognised by the defence mechanism. This is mainly done by the antibodies. There are certain primary detector cells which recognises the antigens just when they enter into our body and produces antibodies to protect our body against them. The bodies immune system thus acts like a key in the maintenance of good physical health.
A nutritious balanced diet ,healthy life style,clean and clear healthy environment,genetics all of these factors directly helps in building up the immune system.
The immune system which is like an army protecting and gaurding our body is based on the lymphatic system and the white blood cells of the body[blood stream]. There are many other organs which also contribute like spleen,skin,respiratory,digestive etc. The lymphatic system comprises of the various regions where in lymph nodes are located i.e, network of lymph nodes and vessels which helps in returning fluids from intercellular spaces to the actual blood stream which then circulates all over the body. The lymph node,thymus gland and spleen are the constituents of lyphatic system. This lyphatic system produces lyphocytes it further engulfs or kills the foreign particals,cancerous cells or microbes. Thus thier presence in the blood stream is as special indication.
There are 2 types of lymphocytes-
1.T- lymphocytes [produces by thymus glands]
2.B- lymphocytes [ produces by the spleen ]
The white blood cells found in the blood stream like phagocytes and and lymphocytes destroys the invading bacterias and removes the dead or unwanted cells and tissues which cause damage.

Signs of low immunity :-
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The person becomes vulnarable to cold ,flue ,thoat pain,head ache,fever , allergies etc more frequently

Auto immune diseases:-
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Conective tissue disorders like Rhuematoid arthritis,Rhuematoid fever,Scleroderma,SLA etc

The food articles and habits which helps in boosting the body's immune system are-
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1. Food rich in vitamin A,B -complex,C and E.
2. Food comprising of high calcium,selenium and zinc.
3. Omega-3 and 6- fatty acids which are usually found in nuts,seeds and oily fishes.
4. The protiens which are found in lean meat, fish and pulses.
5. Fibers found in fruits ,veggies,grains and pulses.
6. Regular exercise, adequate sleep, pranayama and such other breathing exercises,yoga,meditation
7. Clean environment.
8. Bright ventilation .

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