Tag Archives: immune system

What does stress do to the immune system?

Do you find yourself with a cold or major health issue after a stressful event? I most certainly do.

I’m constantly full of anxiety trying to do everything, and it’s not just all of the lists, and kids, and home maintenance, and work, and writing these articles (which I love doing); it’s a personality trait, and it’s quite common.

All of these little things in our lives add up and cause us STRESS.

So, what’s stress?

We can define it as a state of mental tension and worry caused by problems in our lives.

When you feel stressed your body releases chemicals in response to stress hormones circulating through the body. Sometimes these hormones can be useful, however often they are very hard on the body and can leave you susceptible to infection.

When is stress useful?

You’ve most likely heard of the ‘fight or flight’ response–a survival alarm system dated way back to the beginning of human life. This response occurs in the face of real danger and causes the hypothalamus to stimulate the adrenal glands to start pumping adrenaline. This gives your body the energy to either fight or flee from a dangerous situation. We still use this response today in the face of say, encountering a bear on a hike or a mugger on the street.

Stress chemicals may also be useful before a big event when you may need a burst of energy or alertness to improve performance. This might be beneficial during a job interview or before a big test.

But, chronic stress is often harmful.  Continue reading

Baby’s Immune System on Breast Milk


It is known through countless studies that breastfed babies have a lower instance of infection. There is also a huge increase of infection in weaning children at the time when the protection of the breast milk is diminished. So, not only is breast milk an amazing source of nutrition for newborns and infants, it provides the baby’s immune system with some great protection.

So, how does this work? Continue reading

The Beautiful Immune System Lesson 1: The Two Types of Immunity: Innate and Adaptive

We classify all of the body’s immune reactions into two types of immunity: innate and adaptive. Under each category are many players and thousands of complex systems. Right now, I just want to focus on these two categories.

Continue reading