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Hormone Therapy Linked To Greater Risk Of Ovarian Cancer, Danish Study
Researchers studying a large population of women in Denmark found that those who took hormone replacement therapy (HRT) after menopause
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New Study Finds That Sharing Genetic Res Key To Adaptation To Climate Change In Africa
As rapidly rising temperatures in Africa threaten to scorch local varieties of maize and other food staples, the food security of many Africans will depend on farmers in one country gaining access to climatically suitable varieties now being cultivated in other African nations, and beyond, according to a peer-reviewed study published in Global Environmental Change.
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Calypso Medical Study Shows Potential For Improving Radiotherapy Treatment Accuracy Of Deadly Pancreatic Tumors
Calypso Medical Technologies, Inc., announced the publication of data from a clinician sponsored investigational study conducted at the University of Pennsylvania, demonstrating the utility of the Calypso® System in tracking tumor movement in the pancreas. The data will be presented at the 51st Annual Meeting of the American Association of Physicists in Medicine (AAPM), July 26-30, at the Anaheim Convention Center. "In areas of the body, such as the pancreas, that are susceptible to respiratory motion it can prove difficult to handle the spectrum of motion that can arise," said James Metz, M.D., Clinical Director, Department of Radiation Oncology, The University of Pennsylvania Health System.
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Older Volunteers' Perceived Benefits Vary With Program Traits

The advantages of volunteering reported by adults aged 55 and older are largely dependent upon the characteristics of the activities in which they participate, according to a recent article appearing in The Gerontologist (Vol. 49, No. 1). The lead author is Nancy Morrow-Howell, PhD, of Washington University in St. Louis. She and her colleagues document the benefits of volunteering as identified by older adults - a departure from many previous studies, which have focused on the benefits observed by researchers. They also compare reported benefits with information about the volunteer program, such as volunteer training, support, and stipends. "These findings suggest that characteristics of volunteer programs can be strengthened to maximize the benefits of volunteering to older adults," the authors state. Morrow-Howell"s team sampled 401 people aged 55 and older from 13 volunteer programs. The volunteer activities included teaching, tutoring, mentoring, policing and public safety work, conservation efforts, and supportive counseling. More than 30 percent of participants said they were "a great deal better off" because of the service they contributed, and almost 60 percent identified a benefit to their families. Twenty percent reported improved overall health. The reported benefits depended upon the participant"s demographics as well as the type and characteristics of activity. For example, among those who received compensation for their work, the positive relationship between stipend and perceived advantages was weaker for the oldest of the 55+ sample, for non-white older adults, and for those with lower education and lower income. Women and lower-income volunteers also reported more benefit than others from participating in public security programs. The researchers speculated that those older adults who traditionally had less authority thrived in roles involving law enforcement. Support for this research was provided by the MetLife Foundation and the Longer Life Foundation. Todd Kluss The Gerontological Society of America


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