Boost Your Immune System?

What does that mean: boost the immune system? Most people apparently think that the immune system is like a muscle, and by working it, giving it supplements and vitamins,  the immune system will become stronger. Bigger. More impressive, bulging like Mr. Universe’s  bicep. That’s the body part I am thinking about. What they are boosting is vague, on par with chi/qi or innate intelligence. They never really say what is being boosted. The other popular phrase is "support".  A product supports prostate health, or breast health or supports the immune system.  It sounds like the immune system is sagging against gravity due to age and needs a lift. The immune system, if you are otherwise healthy, cannot be boosted, and doing those things you learned in Kindergarten health  (reasonable diet, exercise and sleep), will provide the immune system all the boosting or  support it needs. Science-Based Medicine

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