December 2003 Issue

Nutrients, Remedies Rev Up Immune Defenses To Fend Off Colds, Flu And More

As another season of colds and flu gets underway, many of us are looking for ways to bolster our immune systems. A healthy immune system produces fighter cells, killer cells and scavenger cells that search and destroy foreign invaders—microorganisms. But this highly complex defense arsenal depends on an adequate and steady supply of nutrients. EN reports the latest research.

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