Is Your Home Making You Sick? 5 Common Causes and How to Fix Them

Your home is your safe space. It’s where you find shelter and comfort, create memories with your family and de-stress after a long day — and it may also be making you sick. Here are four ways your home could be harming your health and what you can do about it.

1. Moisture

High indoor humidity creates an ideal environment for mold to breed. And when mold breeds, your health suffers: According to the CDC, mold is associated with health issues that include throat irritation, coughing, wheezing and hypersensitivity pneumonitis. Mold aggravates asthma symptoms in people with the condition, and early exposure may lead children to develop asthma.

In addition to indoor humidity, water-damaged building materials and indoor leaks also create environments where mold thrives.

Here’s how you can reduce moisture to prevent mold at home:

Of course, if you already have mold in your home, you’ll need to take action to remove it — not just from your surfaces, but also from the air. AirPurifier notes that an air purifier is a cost-effective way to remove airborne mold, explaining, “In order to obtain the best results, you must purchase one of the best purifiers specializing in mold spore removal.” Most importantly, if you find mold in your home, call a professional to remove it — never attempt to do so yourself!

2. Dryness

Too much moisture is dangerous for your health, but so is too little. Dry indoor air dries out respiratory passages in the nose and throat. This not only leads to dry, itchy throats and nosebleeds, it also compromises your body’s ability to trap pathogens before they make you sick. Dry air also dries out your skin and causes skin conditions like eczema to flare up.

Thankfully, increasing indoor humidity is simple when you follow these tips:

  • Turn down the heat, as artificial heat dries out indoor air.
  • Decorate with houseplants to take advantage of transpiration.
  • Install a humidifier.

3. Dust

Dusting your home does more than keep it looking great. When you remove dust, you’re also removing dust mites, eight-legged bugs too small to see with the naked eye. People with dust mite allergies experience congestion, sneezing, wheezing and other allergy symptoms in homes with high level of the mites. However, you should dust regardless of allergies because dust also harbors toxic chemicals like hormone-disrupting phthalates, phenols, flame retardants, and pesticides.

Want less dust at home? These steps will help:

  • Vacuum regularly with a HEPA vacuum cleaner.
  • Change HVAC air filters regularly to maximize their pollutant-trapping ability.
  • Use a doormat to prevent dust from being tracked in.
  • Maintain indoor humidity between 30 and 50 percent to inhibit the proliferation of dust mites.

4. Poor Airflow

A tightly sealed home may be great for your energy bills, but it’s not so good for your health. Building materials, appliances, and cleaning supplies release toxic chemicals known as volatile organic compounds, or VOCs. If your home isn’t circulating fresh air inside, those VOCs accumulate and contribute to health problems. In the short term, you might notice headaches, nausea, dizziness and nose and throat irritation. However, the EPA reports that long-term exposure to VOCs damages the liver, kidneys, and central nervous system, and may cause cancer.

Increase airflow and reduce VOCs in your home by:

  • Opening the windows to promote air exchange.
  • Using an air purifier capable of trapping harmful gases.
  • Using non-toxic cleaning supplies.
  • Choosing formaldehyde-free building materials and low-VOC or no-VOC paints when remodeling.
  • Opting for bedding, carpeting, and clothing made from natural fibers rather than synthetics.
  • Decorating with houseplants known to remove pollutants from indoor air.
  • Install an air-exchanger that circulates indoor and outdoor air while maintaining heat or cooling efficiencies

5. Blue light

There is now evidence that blue light from electronic screens causes permanent and cumulative retina damage, with a recent study articulating the mechanism for this damage (article). Consider using night or warm settings on your screens, also a good idea to promote good sleep.

You don’t think of your home as a dangerous place. However, if you’re not paying attention to indoor air quality, you could be putting your family’s health at risk. Because the average person spends much of their time indoors at home, small levels of pollutants add up to a serious health threat. While you can’t eliminate every pollutant from your home, taking these steps will create a safer, healthier home for your family.

Guest author, Suzie Wilson, is an interior designer with more than 20 years experience. What started as a hobby (and often, a favor to friends) turned into a passion for creating soothing spaces in homes of every size and style. While her goal always includes making homes look beautiful, her true focus is on fashioning them into serene, stress-free environments that inspire tranquility in all who enter. The Ultimate Guide to Prepping Your Home for an Open House is filled with tips, tricks and other advice based on Suzie’s years of experience in interior home design that will set you up for success. Suzie is the founder and creative director of Happier Home and can be reached at

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