Which type of molds are typically considered to pose minimal hazards?

Mildew on clothing and bathtubs is generally considered to pose minimal hazards primarily because it typically consists of non-pathogenic molds that are more cosmetic or aesthetic in nature. These forms of mold, often identified as mildew, thrive in damp and warm environments; however, they are not usually associated with serious health risks or toxic reactions in healthy individuals. They can be removed easily and do not typically produce large quantities of harmful spores.

Molds such as Aspergillus species, Cladosporium, and Alternaria are known for their potential health impacts. For example, certain strains of Aspergillus can produce mycotoxins and may cause respiratory issues in sensitive individuals. Cladosporium and Alternaria are also common allergens that can trigger asthma and allergic reactions in some people, especially those with compromised immune systems or pre-existing respiratory conditions. Therefore, while all molds should be addressed when they appear, many household molds like mildew from clothing and bathtubs are classified as less hazardous compared to other mold types that can have more severe health implications.