How can I improve my Immune System?

Already given:
* Vitamin C is an important nutrient. What others are?
* Biostim can help significantly. What other drugs can?
* Stress is important. What other "psychotherapeutic" factors are?


Excellent answer (tip 1-10 dollars):

Works "non-linear" i.e. does not only give a list of important factors
but SORTS them in order of importance.
Every item below another one, is nullified in importance if not the
one above is heeded.

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Clarification of Question by omnitemm-ga on 27 Nov 2003 04:21 PST

Further given:

Vitamin C is dependent on magnesium and calcium, but to what extent?
If you megadose Vitamin C would you have to megadose calcium and
magnesium too?