When was the last time you said 'Thank You' to your immune system?

March 11th is National Immune System Day, celebrate your immune system the entire month of March with our challenge.

National Immune System Day Challenge

Three simple steps to you get started showing your immune system some real love.

Get your immune score

In about 1 minute you can find out how your immune system is performing.

Commit to take action

Choose one easy action item that will help your immune system perform better.

Challenge your friends

Share what you are doing for your immune system with your friends and loved ones.

Your Immune System's Role

Your immune system is the first line of defense. It is is our body's primary defense mechanism against diseases. It identifies and combats pathogens like bacteria, viruses, fungi, and parasites.

Your immune system is also essential for overall health and well-being. It's role extends beyond fighting infections. It's integral to overall health, influencing everything from digestion to neurological function. A robust immune system is also crucial in wound healing and preventing inflammation, which can contribute to chronic diseases.

The immune system is the key to advancements in medical treatments. Knowledge of the immune system has paved the way for innovative treatments. including immunotherapies for cancer and autoimmune diseases. If there is ever going to be a cure for cancer, the Immune System will be at the center of the technology.

Immune System Fun Facts

The immune system has a memory
One of the most remarkable features of the immune system is its ability to remember pathogens it has encountered before. This memory is the basis of how vaccines work, providing long-term protection against diseases.

There are two types of immunity
Our immune system is composed of two parts: innate and adaptive immunity. Innate immunity provides the first line of defense and responds quickly to invaders. Adaptive immunity develops as a response to specific pathogens and provides long-lasting protection.

The gut is a major immune organ
About 70% of the immune system is located in the gut. The gut microbiome, comprising trillions of bacteria, plays a crucial role in educating and regulating the immune system.

Sleep is crucial for immune function
Adequate sleep is vital for a healthy immune system. During sleep, the body produces cytokines, a type of protein that helps fight infection and inflammation.

Stress affects immune health
Chronic stress can suppress the immune system and make you more susceptible to illness. Managing stress through techniques like meditation, exercise, and proper relaxation can boost immune function.

See how your immune system stacks up!

Take the National Immune System Day Challenge today!


What is National Immune System Day?
National Immune System Day is observed annually on March 11th. It's a day dedicated to raising awareness about the importance of the immune system and promoting practices that enhance immune health.

Why is the immune system important?
The immune system is vital because it protects our body from harmful pathogens such as bacteria, viruses, and other foreign bodies. It is essential for our survival and plays a key role in maintaining overall health and preventing diseases.

How can I strengthen my immune system?
You can strengthen your immune system through a balanced diet rich in fruits and vegetables, regular physical activity, adequate sleep, stress management, and avoiding harmful habits like smoking and excessive alcohol consumption.

How can I get involved or support National Immune System Day?
You can get involved by joining the National Immune System Day Challenge and sharing the results on social media.