Women in developing countries who cook over a wood stove for years and inhale the smoke can develop chronic obstructive pulmonary disease (COPD) and experience the same clinical characteristics, diminished quality of life and increased mortality rates as tobacco smokers.
These findings from a Mexican study appear in the second issue for February 2006 of the American Journal of Respiratory and Critical Care Medicine, published by the American Thoracic Society.
Over a seven-year period, Alejandra Ramírez-Venegas, M.D., and six associates from the COPD Clinic at the National Institutes of Respiratory Diseases in Mexico City, followed up on clinical, functional, health-related quality of life and survival characteristics of 481 COPD patients. Of this group, 345 persons (76 percent of whom were male) had COPD associated with tobacco smoke and 186 individuals (86 percent female) developed the disease as a result of inhaling wood smoke.
Suzy Martin | EurekAlert!
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MPQ scientists achieve long storage times for photonic quantum bits which break the lower bound for direct teleportation in a global quantum network.
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The miniaturization of the current technology of storage media is hindered by fundamental limits of quantum mechanics. A new approach consists in using so-called spin-crossover molecules as the smallest possible storage unit. Similar to normal hard drives, these special molecules can save information via their magnetic state. A research team from Kiel University has now managed to successfully place a new class of spin-crossover molecules onto a surface and to improve the molecule’s storage capacity. The storage density of conventional hard drives could therefore theoretically be increased by more than one hundred fold. The study has been published in the scientific journal Nano Letters.
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With innovative experiments, researchers at the Helmholtz-Zentrums Geesthacht and the Technical University Hamburg unravel why tiny metallic structures are extremely strong
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