Sometimes it's the little things we do to keep on track for optimal health that make a difference. Thinking about the quality of air you breathe in your own home takes but a minute or two, but can have a profound effect on your daily life.

Poor indoor air quality can affect your general health, causing allergies and respiratory problems. Houses are much more energy efficient and airtight these days — meaning less outside air makes its way inside to freshen up your home. Constant air-conditioning use in the Summer months just makes the situation worse. Taking five minutes to walk around your home checking for mold, a common indoor air pollutant, is a simple way to take care of your lungs. Mold lurks, unsurprisingly, in bathrooms, so check the walls and shower curtain, but you should also wash your bathmats and towels once a week. Don't forget to check under the sink in your kitchen and the drip tray in your fridge. If your house has central air, you will also want to check the air filter to see if it needs to be replaced.

If you do find mold, clean it up with detergent and let the area dry completely. For more tips on dealing with mold check out the EPA Mold Cleanup Guidelines.

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