What can you do to strengthen your immune system?

United States
September 9, 2009 4:24am CST
We are ll being plagued by constant threats to our health with the change in weather pollution, and our lifestyle. Especially in the time of the swine-flu, common cold and other ailments, how can we strengthen our immune system so we have a stronger chance of fighting infections? Do you know of any home remddies or best practices?
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