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Mold in the Office or Home It's very common to find molds in homes and buildings. After all, molds grow naturally indoors. And mold spores enter the home through doorways, windows, and heating and air conditioning systems. Spores also enter the home on animals, clothing, shoes, bags and people. When mold spores drop where there is excessive moisture in your home, they will grow. Common problem sites include humidifiers, leaky roofs and pipes, overflowing sinks, bath tubs and plant pots, steam from cooking, wet clothes drying indoors, dryers exhausting indoors, or where there has been flooding. Many of the building materials for homes provide suitable nutrients for mold, helping it to grow. Such materials include paper and paper products, cardboard, ceiling tiles, wood and wood products, dust, paints, wallpaper, insulation materials, drywall, carpet, fabric, and upholstery. The importance of mold in the real estate market today Much has been made of indoor mold in advertising and the media lately, so it’s a common concern for homeowners and buyers. It's common to find mold even in new homes. Whether you’re selling your current home or looking into buying one, it’s vital to get a mold inspection. Presence of active mold can drastically affect the resale value of any home. For homeowners, a mold inspection will either put your mind at rest or make you aware of any problems that could otherwise cause delays or deal breakers once you’ve entered negotiations with a buyer. A professional mold inspection will give you a signed report from an expert before you put the home up for sale. Imagine being able to show a “clean bill of health” to potential buyers that express concerns – they’ll be impressed by your thoroughness and commitment to your home. For buyers, getting a mold inspection will ensure that you’re not surprised by costly clean up and the potential health hazards of mold. If any mold is found to be present and active in the home, the mold inspection will allow you to ask the seller to do the clean up prior to buying the home. Exposure to mold Everyone is exposed to some amount of mold on a daily basis, most without any apparent reaction. Generally mold spores can cause problems when they are present in large numbers and a person inhales large quantities of them. This occurs primarily when there is active mold growth. For some people, a small exposure to mold spores can trigger an asthma attack or lead to other health problems. For others, symptoms may only occur when exposure levels are much higher. The health effects of mold can vary. The production of allergens or irritants can cause mild allergic reactions and asthma attacks. The production of potentially toxic mycotoxins can cause more severe reactions, and in rare cases death. Should I be concerned about mold in my home? Yes. If indoor mold is extensive, those in your home can be exposed to very high and persistent airborne mold spores. It is possible to become sensitized to these mold spores and develop allergies or other health concerns, even if one is not normally sensitive to mold. Left unchecked, mold growth can cause structural damage to your home as well as permanent damage to furnishings and carpet. According to the Centers for Disease Control*, "It is not necessary, however, to determine what type of mold you may have. All molds should be treated the same with respect to potential health risks and removal." Can my home be tested for mold? Yes. We offer thorough mold inspections that involve visual examinations of the most likely areas to harbor mold. We also take air samples indoors and out to determine whether the number of spores inside your home is significantly higher. If the indoor level is higher, it could mean that mold is growing inside your home. How do I remove mold from my home? First address the source of moisture that is allowing the mold to grow. Then take steps to clean up the contamination. Here are helpful links to lean more about cleaning up mold in your home. Mold has certainly made its way into people's homes as well as the headlines recently. Many people still don't fully understand the health hazards of fungal exposure. The term toxic mold is somewhat misleading as it exudes an idea that certain molds are toxic, when actually certain types of molds produce secondary metabolites that produce toxins. The correct term is mycotoxins. Airborne mycotoxins from can definitely destroy one's health. Sometimes, people are unaware that they are breathing mold spores and mycotoxins until they are very sick. Certain people have a minor allergic reactions to the non-toxic mold, but once you leave the affected area they most likely recover with few serious side effects. However, if they have been exposed to the dangerous molds such as Stachybotrys or Chaetomium, they could suffer from a myriad of serious symptoms and illnesses such as chronic bronchitis, learning disabilities, mental deficiencies, heart problems, cancer, multiple sclerosis, chronic fatigue, lupus, fibromyalgia, rheumatoid arthritis, multiple chemical sensitivity, bleeding lungs and much more. Unfortunately, the government has failed to establish guidelines that determine unhealthful amounts of poor indoor air quality standards, making it impossible for thousands of sick people to obtain help during this looming national health crisis. This is the main reason why so many people are confused about the damage mold can cause. As most know, many molds can cause allergens that can affect some of the population, but some molds can also cause toxins, which can affect everyone, depending on the length of exposure. Approximately 25 million Americans suffer from allergic reactions to molds yet most of them don't even realize that when they're sneezing and sniffling the cause could be from fungi. The molds that produce airborne toxins that can cause serious symptoms, such as breathing difficulties, memory and hearing loss, dizziness, flu-like symptoms, and acid reflux. Common ailments from toxigenic mold---including allergies (hypersensitivity after initial toxicity), and excessive bruising---usually can be treated and reduced after people leave their contaminated environment. Often medication, diet, and other treatment protocols are necessary.But other health problems may remain permanently, such as brain damage and weakened immune systems. Eyesight, memory, coordination/balance, and hearing are generally the most common residual effects that often do not improve after treatment in most cases. Molds can be found wherever there is moisture, oxygen, and something to feed on. In the fall, they grow on rotting logs and fallen leaves, especially in moist, shady areas. In gardens, they can be found in compost piles and on certain grasses and weeds. Molds grow in our homes in moist warm areas like damp basements, closets, and bathrooms, even after the moisture has dried up. Also, molds can grow in places where fresh food is stored, refrigerator drip trays, house plants, humidifiers, garbage pails, mattresses, upholstered furniture, or foam rubber pillows. The worst place that molds can grow, however, is inside wall cavities and flooring of our homes, wherever there may be cellulose materials they can feed on, such as wood, ceiling tiles, or plasterboard, even if they are not visible, and they have sustained water damage at one time or another. This is very common if there has been a plumbing leak or an inadequate roof. Many people are either unaware, ignorant, or in denial about the severe health hazards involved with some types of indoor household molds. Molds come in thousands of different varieties, but a few who are some of the offenders that invade our homes. Alternaria and Cladosporium are the molds most commonly found both indoors and outdoors throughout the United States. Aspergillus, Penicillium, Helminthosporium, Epicoccum, Fusarium, Mucor, Rhizopus, and Aureobasidium are also common. One of the mycotoxins, aflatoxin, is produced by the fungi Penicillium, Aspergillus flavus and Aspergillus parasiticus. Four different aflatoxins, B1, B2, G1 and G2, have been identified with B1 being the most toxic, carcinogenic and prevalent. Another very dangerous family of toxin producers is Fusarium. The toxins zearalenone, trichothecenes or moniliformin can be formed by various types of Fusarium including F. moniliforme, F. oxysporum, F. culmorum, F. avenaceum, F. equiseti, F. roseum, and F. nivale. The most dangerous mold strains are: Chaetomium (pronounced Kay-toe-MEE-yum) and Stachybotrys chartarum (pronounced Stack-ee-BOT-ris Shar-TAR-um) as they have been proven to produce demylenating mycotoxins among others, meaning they can lead to autoimmune disease. Under certain growth and environmental conditions, both of these fungi release toxic, microscopic spores and several types of mycotoxins that can cause the worst symptoms which are usually irreversible such as neurological and immunological damage. Some of these natural mycotoxins include a very strong class known as trichothecenes. Trichothecenes are also produced by several common molds including species in the genera Acremonium, Cylindrocarpon, Dendrodochium, Myrothecium, Trichoderma, and Trichothecium. The trichothecenes are potent inhibitors of DNA, RNA, and protein synthesis, and have been well studied in animal models because of concern about their potential misuse as agents of biological warfare, due to their ability to destroy human health (mentally and physically), and never appear in an autopsy. The disturbing factor about airborne mycotoxins is that it is impossible to know how much damage they have caused to one's health until it is too late. Therefore, It is imperative to not knowingly expose oneself even for brief periods of time in any place that smells moldy or has an appearance of mold or mildew. If you suspect that the air quality in your home is being compromised by mold spores you can have the air tested, but it can be quite expensive in some instances. It's worth it if it helps save your health. Mold Help approved testing companies are listed on this site with more reasonable costs. These testing companies have been approved due to their thoroughness, value, and efficacy. You will find that their cost is generally lower than most, but this in no way compromises the value of their work. Some molds are cryophytes (these adapt to low temperatures), some are thermo tolerant (they adapt to a wide range of temperatures) and some are thermophiles (they adapt to high temperatures). Depending on the species, these microbes will grow just about anywhere. Not even a fire in excess of 500 degrees Fahrenheit has been able to destroy some molds such as Stachybotrys. Mold requires a compatible temperature for each species. Environmental factors (temperature, nitrogen, oxygen, etc. ) are necessary compounds for indoor molds to thrive. Mold also needs an organic source of food. People might be confused as mold can grow on glass, tile, stainless steel, cookware, etc., but it is generally feeding off of some organic source deposited on this material (oils, film, dirt, skin cells, etc.). The fiberglass insulation which some assume that mold does not grow on their product which is a fairly true statement, however, it grows on the organic debris that become trapped in these products. Mold also grows on things such as wood, fabric, leather, gypsum, fiberboard, drywall, stucco, and many insulation fibrous materials. All molds require some form of moisture to grow however, like temperature, the amount of moisture varies for different species. Some are xerophillic (colonize under very dry conditions) some are xerotolerant (colonize under a wide range of moisture levels) and some are hydrophilic (colonize at high moisture levels). It does not have to be a leak. . . Humidity or moisture content of the substrate can often be sufficient (relative humidity 50% start becoming problematic in many indoor cases). It can spread very easily through any HVAC system. Mycotoxins are examples of chemical substances that molds create generally as secondary metabolites, thought to possibly play a role in either helping to prepare the substrate on which they exist for digestion, as defense mechanisms, and some have suggested that they may be produced when the organisms are under stress, which could be related to competition/defense, or simply due to inhospitable environmental conditions. The mycotoxins, which are also neurotoxins (a toxin that is determined to cause neurological damage), most commonly reach people from the air, via spores from the molds in question. They are also found in small particulates at times which may often represent mold dust, small particles of mold that has dried and turned to dust. Spores, when inhaled, can begin to colonize in the sinuses and throughout the body, including the brain, lung and gut after a period of time. Sick buildings are one of the major causes of fungal illness, primarily mycotoxicosis, in industrialized nations today. The United States is the least developed in fungal illness research and assistament to the community due to the high costs and fear of reprisals, so sadly, most American physicians have little or no education in treating this health crisis. The average American physician knows only how to identify a mold hyphae under a microscope, at best. Mycotoxicosis, often mistakenly called "Toxic Mold Syndrome" out of ignorance, has reached epidemic proportions at a national level in the United States due to defective construction, lack of regular maintenance, shoddy and inappropriate building materials, ignorance, and lack of government involvement; all or in part due to the high costs of standard and substandard remediation. This illness has been so misunderstood, some who profit from the misfortunes of these poor individuals even go so low as to claim that there is no evidence to back up the fact that mold can cause permanent neurological, psychological, immunological and pathological damage, despite the medical data from well respected physicians all over the world. The information on this document has been disseminated as a service to assist in this public health crisis; this report is not intended to give medical advice. Seek the advice of a professional for diagnosis, medication, treatment options, and complete knowledge of any illness. The opinions expressed here are exclusivelyour personal opinions and contributing authors thus may not necessarily reflect our peers or professional affiliates. The information here does not reflect professional advice and is not intended to supersede the professional advice of others
*Sources: California Department of Health Services Indoor Air Quality Info Sheet, "Mold in My Home: What Do I Do?" revised July 2001; Centers for Disease Control and Prevention, "Questions and Answers on Stachybotrys chartarum and other molds" last reviewed November 30, 2002. |
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