Friday, March 12, 2010

Optimizing Immune System

There is a misconception in this society regarding “immune defense”. It’s common to think that cold/flu symptoms appear when our immune system is weak, which then viral attack take place in our body. So people go out and buy supplements to boost our immune system. An overactive immune system is actually the problem. The message is to better understand immune function and act accordingly with nutritional and proper lifestyle changes.

General cold and flu symptom (acute phase response) is caused when the immune system actively releases excess amounts of certain inflammatory chemicals called cytokines. Also, psychologically stress activates immune system in a similar fashion as viruses; inflammatory cytokines are produced in excess, which causes an acute phase response that commonly interpreted as “catching a cold virus.” It is important to learn to manage the various stressors to keep the immune system from being over-active. Proper exercises, adequate sleep, stress-less and good nutrition will reduce the expression of acute phase responses like cold/flu symptoms.

There are a number of nutritional supplements to help support healthy immune response and they are generally anti-inflammatory to suppress an acute phase response. Vitamin C has anti-inflammation function and support a healthy immune response. Many spices like ginger, garlic, and other spices have multiple anti-inflammatory functions. Probiotics are supplemental bacteria that are beneficial gastrointestinal (GI) system. Research has demonstrated that probiotics reduce overall body inflammation and support a healthy immune response. Vitamin D reduces pro-inflammatory immune activity and improves anti-inflammatory immune activity. Omega-3 Fish Oil supports a healthy immune response and has anti-inflammatory functions.

Remember, the immune system has two functions, pro-inflammatory and anti-inflammatory. Too much or too little of one or the other is not healthy. When the immune system is working properly, it helps defend against dis-ease and fight against bacteria and viruses. Focus on avoiding the foods that promote inflammation and focus on consuming foods that reduce inflammation.

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