It's no surprise that dust in the house is a major allergy and asthma trigger, but the reason described in this Science Daily video may be news to you. I was very surprised and interested to learn more after watching this video.

Can Your Home Trigger Asthma? Environmental Toxicologists Link Household Bacteria to Asthma discusses how chemicals called endotoxins are shed by the bacteria that's part of household dust. Endotoxins can be thought of as the outer shell of bacteria, which is shed and is found everywhere in the environment including your home. Endotoxins can inflame airways and trigger asthma.

Because endotoxins found in household dust are a danger to allergy and asthma sufferers, it's important to minimize exposure to dust as much as possible. While endotoxins are found in smaller concentrations throughout the home, your bedroom is where they have the greatest effect on your health.

Here are some recommendations for lowering the amount of endotoxins in your home: