DEFINITION & TERMINOLOGY. drug use. related: chemical substance use. substance use. not to be confused with: drug misuse. drug abuse. drug use is the proper administration of any chemical substance such that it produces an effect with a desirable outcome.
Most likely itâs the smell of mold and/or mildew. Thatâs bad news because your AC is most likely distributing mold and/or mildew spores throughout your home. Both harmful to your health, especially if you have allergy issues. Letâs go over the sources of the mold/mildew and what you can do to get rid of it.
Mold is also found in damp building materials where it often appears like stains and comes in a variety of colours. A must smell is an indication of microbial growth even when there is no visible growth. If mold is allowed to grow in homes or offices it can contribute to poor indoor air quality. Some molds such as the Dry Rot Fungus, Serpula lacrymans, are highly destructive. For more details about dry rot fungus read Occurrence and Significance of Dry Rot Fungus, Serpula lacrymans.