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Plants are pretty wonderful and provide us with food, shade, and air to breathe, but they’re not magical. Yes, rainforests are vital for our ecosystem because they filter carbon from the air and create oxygen – but any notion that indoor plants can be used to filter toxins from the air in our homes is like this report in The Atlantic indicates this, Wish nonsense. That is why you should buy plants for decoration or advertising personal wellness-but not to serve as an air purifier.

Why houseplants can’t filter your air effectively

In nature, plants actually keep our ecosystem healthy by enriching the air with oxygen serve as a carbon sink, and even absorb some pollutants, but the effect isn’t exactly scaled down – according to the information page Science alertto effectively filter toxins from the air, you would need “between 10 and 1,000” [plants] for every square meter of your living space. ”Unless you live in a greenhouse, this isn’t exactly a realistic option.

This idea that plants filter and purify air in a confined space became popular in the 1980s as NASA scientists Bill Wolverton did a study on the ability of certain houseplants to take off Volatile organic compounds from the air in a closed environment. This discovery was made with astronauts living in sealed compartments in mind for extended periods of time, but is now common misused as evidence why you should buy more plants to distribute around your home As an engineering professor Dr. Michael Waring said The Atlantic, the results of the 1989 study do not apply to the average household:

“Wolverton measured whether houseplants could remove VOCs from an airtight laboratory environment. But a house is not a hermetic chamber. It has open windows and doors, drafts and leaks and a lot more clutter. ”

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If you’re stuck in an airtight chamber for hours as a scientist or astronaut, it might be a good idea to bring a plant or two with you. If you are concerned about fresh air in your home, open a window.

You should still keep plants around for many other reasons

Instead of buying certain plants in the mistaken hope that they will purify your air, buy them for the psychological and emotional benefits they offer. Accordingly Health line, living in a house full of plants can help reduce stress and increase productivity. The scent of plants like peppermint or lavender not only creates a more relaxed environment, plant care can also improve your mood. CNBC reported on one Learn japanese who found that full-time desk workers who took breaks to tend their plants had lower heart rates and anxiety.

Of course, there are some of the websites promoting plants’ abilities in helping us relieve stress including those who encourage the use of plants to improve air quality. And while there’s certainly nothing wrong with filling your home with greens and flowers, just remember: plants are great, but they’re not magic – so buy a pansy and an air purifier.