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.
If you have mold it's going to be very difficult to find, and you may have to call in a professional. Being as it is winter, another, scarier option could be carbon monoxide in your house, if you have a gas heater. 15% Carbon Monoxide in the air can cause mild headaches, and 25% severe headaches and nausea.