Environmental interventions are an important element of managing allergies and asthma. Health professionals often recommend that draperies be replaced with window blinds however no data exist on accumulation inhalant allergens or inflammatory bioaerosols treatments. Installing accumulate less dust may reduce breathing zone exposures when adjusted if hazardous amounts deposited. We sought to det...

A lighting controls study performed over a three month period provided data that can be used to determine the impact of manual switching and dimming controls on occupant behavior and attitudes and on energy use. Data were analyzed for 58 private offices on a single floor of a modern office building in Boulder, Colorado. Each office was equipped with a ceiling-mounted infrared motion sensor, a d...

To reduce heat in commercial buildings daylight, you can use shades, blinds, and curtains. On hot days, draw the curtains or shades to keep sun out. Well-designed control shading devices dramatically building peak gain cooling requirements improve natural lighting quality of interiors. Depending on amount location fenestration, reductions annual energy consumption 5% 15% have been reported. Hor...

Three people with macular degeneration were blinded after undergoing an unproven stem cell treatment that was touted as a clinical trial in 2015 at a clinic in Florida. Within a week following the treatment, the patients experienced a variety of complications, including vision loss, detached retinas and hemorrhage. They are now blind. A paper documenting the cases was published March 16 in The ...