Ulrike Becker and Wolfgang Glasser's research on fluorine-containing cellulose esters reveals a way to change adsorption in fibers, improving cigarette filter performance. The study also advances the understanding of cotton's structure.
A Canadian study found that university-educated white-collar women experience significant increases in blood pressure due to office stress and large family responsibilities. The research revealed a persistent effect of these factors on blood pressure throughout the day, evening, and night.
A recent study found that women's social support is more effective than men's in reducing both men's and women's blood pressure under stress. The researchers discovered that female listeners provided a modest systolic blood pressure increase of 25mmHg, while male listeners caused an average increase of 32mmHg.
Researchers found that stressed caregivers caring for Alzheimer's patients have impaired immune function, including reduced lymphocyte production and elevated stress hormone levels. This vulnerability can lead to increased illness duration and severity.
A French medical researcher claims that moderate caffeine consumption does not lead to addiction, but rather increases alertness and energy. However, high doses of caffeine can trigger functional activity in the brain's reward system, leading to potential negative effects such as anxiety and depression.
Researchers discovered that Mexican women who saw a PMS video experienced severe symptoms, including moderate and severe pain, after viewing the videotape. The study suggests that being aware of the syndrome may exacerbate premenstrual stress syndrome in women with higher levels of education.
Researchers at University at Buffalo discovered that aerosol clusters can amplify chemical reactions, creating carcinogenic by-products from benign reagents. The study may provide a better understanding of how air pollution forms and inform regulation strategies.
Scientists Nori Yamaguchi and Harry Gibson have developed a reversible process to form supramolecular polymers, which can be used to create fibers or transport target molecules. The polymers are formed through hydrogen bonding and can be undone at the molecular level using heat or pH.
Researchers have developed a new MRI technology that uses xenon gas to generate high-resolution images of the heart and lungs in living laboratory rats. The system detects signals from polarized xenon molecules, allowing for direct measurement of blood flow through organs.
A University of Iowa study found that patients with schizophrenia who had frequent social interaction lived on average 25 percent longer than those with little or no interaction. The researchers also discovered that married patients lived somewhat longer than unmarried patients.
Researchers have identified three compounds that can stimulate new bone growth in animals, including synthetic chemicals and a natural product. These small molecule compounds are relatively inexpensive, stable, and can be easily modified or formulated, potentially leading to the first osteoporosis treatment to stimulate new bone growth.
A systematic bird survey of the Phoenix metropolitan area has been ongoing since 1998, with over 150 species sighted. The database is a valuable resource for scientists studying urban landscape structure and its impact on avian populations.
Researchers found that psychological stress increases levels of IL-6, a cytokine linked to immune system response, making the body more susceptible to developing infection and symptoms of respiratory illness.
The American Chemical Society (ACS) has introduced ASAP Alerts, a new online service that sends e-mail notifications of newly available Articles ASAP from each of its 27 Web editions of journals. Subscribers and non-subscribers can sign up for daily or weekly notifications, with access to full-text articles within minutes.
A study found that breast cancer patients' top concerns after surgery are mortality, pain, and financial burdens, not previously thought to be the primary worries. The survey involved 223 women from diverse ethnic backgrounds and highlighted the importance of addressing these issues in counseling.
A recent study found that excessively frequent breast self-examinations may reduce detection efficacy and increase false-positive findings. Women with a family history of breast cancer who examine themselves daily or weekly showed the highest levels of general anxiety.