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Science News for May 20, 1997


New Cook Coronary Stent Receives FDA Clearance

The Cook GR II Coronary Stent has received FDA clearance for treatment of acute or threatened vessel closure in patients with failed interventional therapy. The stent features a flat metal design and low profile for improved radial strength and trackability.

SourceCook, Inc.·DateMay 20, 1997

Vitamin Supplements May Help Asthmatics Cope With Air Pollution

A double-blind study found that vitamin E and C supplements reduced sensitivity to ozone exposure and improved pulmonary function in asthmatic volunteers. The study suggests antioxidant vitamins may benefit others exposed to chronic oxidative stress, such as smokers or industrial workers.

SourceUniversity of Washington·DateMay 20, 1997
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Portland, Ore., Rail Tunnel Serves As Science Lab

A gravity survey conducted in a Portland rail tunnel has helped identify previously unknown faults in the area. The survey revealed irregularities that suggest seismic activity, with data set to inform detailed maps of the subsurface.

SourceU.S. Geological Survey·DateMay 20, 1997

Sadness, Depression Can Bring On Or Worsen Symptoms In Asthmatic Children

Researchers found that sadness, depression, and hopelessness can exacerbate asthma symptoms in children. The vagus nerve plays a key role in this process, suggesting new avenues for treatment. The study's findings highlight the importance of addressing depression in asthmatic children to improve their overall health.

SourceUniversity at Buffalo·DateMay 20, 1997