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Posts Tagged ‘sick building syndrome’

By Sue Shekut, Owner, Working Well Massage, Licensed Massage Therapist, Certified Wellness Coach, ACSM Personal Trainer

Recently we posted about a study from the University of Georgia that listed 5 indoor plants as good air cleaners. Now NASA scientists are finding house plants surprisingly useful in absorbing potentially harmful gases and cleaning the air inside modern buildings.

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Peace Lily. Image from http://www.spaths.com

A sophisticated pollution-absorbing device: the common indoor plant may provide a natural way of helping combat “Sick Building Syndrome”.

Research into the use of biological processes to solve environmental problems, both on Earth and in space, has been carried out for many years by Dr. Bill Wolverton, formerly a senior research scientist at NASA’s John C. Stennis Space Center, Bay St. Louis, Miss.

Preliminary evaluations of the use of common indoor plants for indoor air purification and revitalization inspired a study using about a dozen popular varieties of houseplants to determine their effectiveness in removing several key pollutants associated with indoor air pollution.

NASA research on indoor plants found that living plants are so efficient at absorbing contaminants in the air that some will be launched into space as part of the biological life support system aboard future orbiting space stations.

While more research is needed, Wolverton’s study showed that common indoor landscaping plants can remove certain pollutants from the indoor environment. “We feel that future results will provide an even stronger argument that common indoor landscaping plants can be a very effective part of a system used to provide pollution free homes and work places, ” he concludes.

Each plant type was placed in sealed, Plexiglas chambers in which chemicals were injected.

JanetCraig

Dracaena Janet Craig. Image from http://www.dracaena.com

Philodendron, spider plant and the golden pothos were labeled the most effective in removing formaldehyde molecules.

Flowering plants such as gerbera daisy and chrysanthemums were rated superior in removing benzene from the chamber atmosphere. Other good performers are Dracaena Massangeana, Spathiphyllum, and Golden Pothos.Plants take substances out of the air through the tiny openings in their leaves,” Wolverton said. “But research in our laboratories has determined that plant leaves, roots and soil bacteria are all important in removing trace levels of toxic vapors“.

Combining nature with technology can increase the effectiveness of plants in removing air pollutants,” he said. “A living air cleaner is created by combining activated carbon and a fan with a potted plant. The roots of the plant grow right in the carbon and slowly degrade the chemicals absorbed there,” Wolverton explains.

Read Wolverton’s book from Amazon: How to Grow Fresh Air: 50 Houseplants to Purify Your Home or Office

NASA research has consistently shown that living, green and flowering plants can remove several toxic chemicals from the air in building interiors. You can use plants in your home or office to improve the quality of the air to make it a more pleasant place to live and work – where people feel better, perform better, any enjoy life more.

TOP 10 plants most effective in removing Formaldehyde, Benzene, and Carbon Monoxide from the air

Formaldehyde is a ubiquitous chemical found in virtually all indoor environments. The major sources which have been reported and publicized include urea-formaldehyde foam insulation (UFFI) and particle board or pressed wood products used in manufacturing of the office furniture bought today. It is used in consumer paper products which have been treated with UF resins, including grocery

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Products made with Formaldehyde. Image from Greenday systems

bags, waxed papers, facial tissues and paper towels. Many common household cleaning agents contain formaldehyde. UF resins are used as stiffeners, wrinkle resisters, water repellents, fire retardants and adhesive binders in floor coverings, carpet backings and permanent-press clothes. Other sources of formaldehyde include heating and cooking fuels like natural gas, kerosene, and cigarette smoke.

Formaldehyde irritates the mucous membranes of the eyes, nose and throat. It is also a highly reactive chemical which combines with protein and can cause allergic contact dermatitis. The most widely reported symptoms from exposure to high levels of this chemical include irritation of the eyes and headaches. Until recently, the most serious of the diseases attributed to formaldehyde exposure was asthma. However, the Environmental Protection Agency (EPA) has recently conducted research which has caused formaldehyde to be strongly suspected of causing a rare type of throat cancer in long-term occupants of mobile homes.

Benzene is a very commonly used solvent and is also present in many common items including gasoline, inks, oils, paints, plastics, and rubber. In addition it is used in the manufacture of detergents, explosives, pharmaceuticals, and dyes.

Benzene has long been known to irritate the skin and eyes. In addition, it has been shown to be mutagenic to bacterial cell culture and has shown embryotoxic activity and carcinogenicity in some tests. Evidence also exists that benzene may be a contributing factor in chromosomal aberrations and leukemia in humans. Repeated skin contact with benzene will cause drying, inflammation, blistering and dermatitis.

Acute inhalation of high levels of benzene has been reported to cause dizziness, weakness, euphoria, headache, nausea, blurred vision, respiratory diseases, tremors, irregular heartbeat, liver and kidney damage, paralysis and unconsciousness. In anima tests inhalation of benzene led to cataract formation and diseases of the blood and lymphatic systems. Chronic exposure to even relatively low levels causes headaches, loss of appetite, drowsiness, nervousness, psychological disturbances and diseases of the blood system, including anemia and bone marrow diseases.

Sources: Plantcare.com and Zone10.com

For a similar listing of plants that improve indoor air quality, read our post here on the University of Georiga’s research on plants and indoor air quality.

More in depth information on indoor air quality, Sick Building Syndrome, and the effects of indoor air pollutants on our health in an article titled “Top 15 NASA’s Plants That Can Save Your Life!” by Stefan Anitei, Science Editor at Softpedia.com.

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