Healthy Immune System

The immune system is the body's defense mechanism that protects us against disease-causing micro-organisms that can invade our body. But as we age, the immune system starts to give way. On this edition of LTN, learn what you can do to keep this vital system healthy into your later years.

Episode Segments:

Healthy Immune System - Part One Part One
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Healthy Immune System - Part Two Part Two
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Healthy Immune System - Part Three Part Three
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Healthy Immune System - Part Four Part Four
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