Each couple used air purifiers for two 48-hour periods.

The researchers measured MVF and ambient airborne particles in the homes of 21 – Non smoking couples aged 60-75 who lived close to busy roads. Each couple used air purifiers for two 48-hour periods. During a period of air purifier was equipped with a HEPA filter, and during the other, it ran without it, so that each individual served as its own control. The size distribution and concentration of the number of air particles in each house were continuously monitored.

The study was published in the second issue for January of the American Journal of Respiratory and Critical Care Medicine, American Thoracic Society published.Or stone man with weakened immune are likewise risk of acquiring severe complications of on Toxoplasma. Gondii is performed by than 60 million people in the United States. According to the CDC However, most people do not realize that they are infected because their immune to prevent the parasite from result disease.

The authors suggest entering occur between higher antibody levels and a larger cause a flash fire as the infection or its reactivation appeared recent. Humans levels specific antibodies are generally immediately start after infection, and then rise gradually. – In a summary in the same magazine, the researchers concluded:.