12 Signs You Are Damaging The Fighting Power Of Your Immune System


Do you get sick often and take sick days off from work? Chances are you may have a weak immune system.

The immune system is the most important system of the body when it comes to preventing diseases. We are all born with different levels of immune systems. Some have a stronger immune system than others. But there are many things that can weaken an adequately strong immune system.

The immune system defends the body from developing potentially harmful diseases and conditions caused by bacterial, parasitic, fungal and viral infections. The immune system also restricts tumors and cancerous growths inside the body.

However, problems with the immune system can lead to illnesses and infections.

It’s well known that everyone who is exposed to a germ will not get sick. The determining factor is often the state of your immune system. Keep yours healthy and you’ll get sick less often … but many of us are unknowingly doing things that may harm your immune system’s ability to keep you well.

12 Sign You Are Damaging Fighting Power Of Your Immune System

You Overuse Antibiotics

Antibiotics may suppress certain aspects of your immune system, including cytokines, your immune system’s hormone messengers.  Don’t take antibiotics unless your doctor believes it is necessary and appropriate for your health condition.


Stress has a major influence on your immune system. Chronic stress caused by stressful situations or events that last over a long period of time raises cortisol levels of the body which decreases the production of ‘good’ prostaglandins. By practicing stress-reducing activities like yoga, meditation and laughter, you can keep your body from going into chronic stress mode.

You Don’t Carry a Pen

Every public object you touch, including pens, may expose you to illness-causing germs that stress your immune system. Carry your own pen to avoid one more exposure.

Poor Diet

Prolonged and excessive consumption of refined sugars and highly processed foods containing pesticides, chemical additives, and preservatives can weaken the immune system and make you vulnerable to developing chronic conditions.

Excessive alcohol

Alcohol, like sugar, consumed in excess can reduce the ability of white blood cells to kill germs. Damage to the immune system increases in proportion to the quantity of alcohol consumed.
In the long term, alcohol can impede the functioning of immune cells, increasing your susceptibility to infectious diseases and cancer.

You’re a Pessimist

Optimists have more helper T cells, which boost immune response, and more powerful natural killer cells, than pessimists.

You’re Too Serious

Positive emotions associated with laughter may increase and activate immune system cells while simply watching a funny video may increase your immune system activity.


Obesity can lead to a weakened immune system. It can affect the ability of white blood cells to multiply, produce antibodies, and prevent inflammation.

Smoky Environments

Cigarettes contain over 4,000 chemicals, all of which are extremely toxic to the body. And, more the amount of toxic substance in your body, weaker is the immune system. Secondhand smoke can cause respiratory tract infections, asthma attacks and allergy symptoms, adding another burden to your immune system.

Lack of exercise

During moderate exercising, blood flow increases which promotes the process of expelling toxic waste out of your body.

The improved blood circulation also promotes circulation of antibodies and white blood cells that are important for fighting off infections. As little as 20 minutes of walking five days a week can help your immune system perform at its best.

Lack of hygiene

Lack of proper hygiene habits exposes your body to more germs thus leading to a weak immune system.

Habits like brushing your teeth twice daily, washing your hands properly before eating and keeping your nails neat and tidy can go a long way keeping infections at bay.

Radiation exposure

Chemical exposure, UV, and radiation exposure damage the immune system.


It is vital to maintain a good level of hydration to assist in eliminating byproducts of any illness and help the immune system fight off infection. Dehydration can affect your energy and your sleep, and the ability to get toxins/waste material out of the body.

Taking certain vitamins and supplements and making some lifestyle change can strengthen your immune systems.


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Geary Andrew
Bachelor of Science, Psychology, Minor in business and liberal arts. I've written about health for more than a decade. Veteran freelance writer with expertise in health, wellness, parenting and lifestyle issues. I am passionate about educating and empowering people to achieve and maintain optimal health and is committed to providing the highest quality health care.