Three Major Mold Groups
Molds are categorized into three groups according to human responses: Allergenic, Pathogenic and Toxigenic.
Allergenic molds do not usually produce life-threatening health effects and are most likely to affect those who are already allergic or asthmatic. The human system responses to allergenic molds tend to be relatively mild, depending on individual sensitivities, typically producing scratchy throats, eye and nose irritations and rashes.
Pathogenic molds usually produce some type of infection. They can cause serious health effects in people with suppressed immune systems. Healthy people can usually resist infection by these organisms regardless of dose. In some cases, high exposure may cause hypersensitivity to pneumonitis (an acute response to exposure to an organism).
Mycotoxins can cause serious health effects in almost anyone. These agents have toxic effects ranging from short-term irritation to immunosuppression and possibly cancer. Therefore, when toxigenic molds are found further evaluation is recommended.
More on Allergenic Molds:
Along with pollens from trees, grasses and weeds, molds are an important cause of seasonal allergic rhinitis. People allergic to molds may have symptoms from spring to late fall. The mold season often peaks from July to late summer. Unlike pollens, molds may persist after the first killing frost. Some can grow at subfreezing temperatures, but most become dormant. Snow cover lowers the outdoor mold count dramatically but does not kill molds. After the spring thaw molds thrive on the vegetation that has been killed by the winter cold. In the warmest areas of the United States, however, molds thrive all year and can cause year-round problems. In addition, molds growing indoors can cause perennial allergic rhinitis even in the coldest.
More on Pathogenic Molds:
Pathogenic molds usually produce some type of infection. The word pathogenic literally means causing disease. A normal, healthy individual can probably resist infection by these organisms regardless of dose, however, pathogenic molds can cause serious health effects in persons with suppressed, underdeveloped, or compromised immune systems. In some cases, high exposure may cause hypersensitivity pneumonitis (an acute response to exposure to an organism). People with compromised immune systems would be, infants and small children whose immune systems are not fully developed, elderly people whose immune systems are essentially worn out, and anyone exposed to AIDS, pneumonia, bronchitis, and other respiratory infections.
More on Toxic Molds:
"Black Mold" is a term commonly used to describe molds that are black and slimy. It is also often used in reference to toxic mold; molds that are known to present health risks to humans and animals by producing Mycotoxins. Mycotoxins(poisons) are fungal metabolites that have been identified as toxic agents. It should be noted, however, that not all black mold is toxic and that not all toxic mold is black. In fact, there are over 400,000 different types of mold and many of them are black in color of which only a portion have been identified. Black Mold or toxic molds are both terms often used to identify Stachybotrys. Many fungi (Aspergillus, Penicillium, Fusarium, Trichoderma, and Memnoniella) can produce mycotoxins, some of which are identical to compounds produced by Stachybotrys.
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Accurate Mold Testing, Inc.
Tulsa, OK 74107-4508
Phone: (918) 949-5366
In Business Since 2000
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Accurate Mold Testing, Inc.
7406 W 34th Place, Tulsa