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How does stress weaken the immune system?

Dr. Michael Roizen, MD
Internal Medicine
We know that hazardous chemicals, too much sun, and radioactivity can age your immune system and increase your risk of cancer. Stress clearly weakens our immune response -- the death of a loved one, for example, measurably decreases the number of T cells (a kind of white blood cell that is important for immune defenses) in the bloodstream for as long as a year after the event. Even small but chronic nagging stresses such as the toilet fixture that won't stop running weakens the immune response. These nagging stresses and major life event stresses clearly age the immune system.
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The RealAge Makeover: Take Years off Your Looks and Add Them to Your Life

Why not live at 60 feeling like you did at 35?Thousands of Americans are younger today than they were five years ago. How is that possible? By following the specific recommendations that reverse...

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.