Ambrosia pollen is the dominant type in most states.
A common herb found everywhere can kill the virus and keep you healthy. Many people are not aware of the herb mullein which is very effective for respiratory ailments. Drinking mullein tea is the best way to overcome asthma and other respiratory problems.
The Real explanation for Asthma and the way to Cure It.
Indoor Asthma Irritants – five Indoor Pollutants To Eliminate.