How Our Body’s Defence Mechanism Promotes Wellbeing
The immune system is an intricate network of cells, tissues, and organs that works tirelessly to protect the body against harmful invaders. It is central to maintaining good health, helping us fight infections, recover from illness, and even prevent the development of certain diseases.
Defence against Pathogens
One of the primary functions of the immune system is to defend the body against pathogens—such as bacteria, viruses, fungi, and parasites. When these invaders enter the body, the immune system recognises them as foreign and mounts a response to neutralise and eliminate them. White blood cells, antibodies, and other specialised components work together to attack and destroy these pathogens, minimising and/or preventing infections thereby keeping us healthy.
The process of tissue repair and recovery after injury or illness also relies on the immune system as it ensures that the body remains free of potentially damaging debris such as dead or damaged cells.
The immune system also plays a vital surveillance role, identifying and destroying abnormal cells. Specialised immune cells, such as natural killer cells and cytotoxic T-cells, patrol the body and eliminate cells displaying unusual characteristics, thereby reducing the risk of many diseases.
How can we support the regulation and balance of the immune system?
Good health relies on the immune system maintaining the right balance. An underactive immune system can leave us vulnerable to infections, while an overactive immune system can lead to allergies or autoimmune diseases, where the body attacks its own tissues. Healthy lifestyles, including balanced nutrition, adequate sleep, regular physical activity, and stress management, support optimal immune function.
A well-balanced diet is fundamental to the proper functioning of the immune system. For example, nutrients such as vitamins A, C, D, and E, along with minerals like zinc and selenium, play crucial roles in supporting immune responses and reducing susceptibility to infections.
Healthy Foods
Consuming a variety of fruits, vegetables, whole grains, lean proteins, or vegetarian proteins alternatives such as beans, lentils, chickpeas. Soy products such as tofu, tempeh, and edamame. Nuts and seeds like chia, hemp, and sunflower seeds. Whole grains such as quinoa and oats. Vegetables like broccoli and spinach. Eggs and dairy products such as cottage cheese and Greek yogurt.
These foods ensure the adequate intake of amino acids which are the building blocks of protein thereby contributing to optimal immunity.
Stress and its effect on the immune system
Also, let us not forget the impact of stress on the immune system. Managing stress through techniques like mindfulness and relaxation activities and exercises and maintaining social connections are important for preserving immune resilience. Prioritising mental wellbeing is just as vital as physical health when it comes to supporting the body’s natural defences.
The immune system is indispensable to our wellbeing. By protecting against infections, clearing harmful substances, carrying out the surveillance for abnormal cells, and promoting healing, it plays a central role in keeping us healthy.
Understanding how to support your immune system is key to living a robust and disease resistant life.
Jennifer Lyston, BSc Hons (Biomedical Science) LIBMS, MBSBM, MCMA
Alternative Medicine Practitioner
Light Centre