Popular Articles
Stretch Mark

Enzyme Necessary For DNA Synthesis Can Also Erase DNA
In this week"s edition of Proceedings of the National Academy of Sciences, PNAS, Uppsala University scientists describe a new mechanism behind an important process that causes a rapid reduction of DNA in the chromosomes of bacteria. The findings advance our knowledge of how DNA content has been reduced, which is something that has occurred in bacteria that live as parasites inside the cells of other organisms.
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Recent Studies And Surveys
Georgetown Policy Report: Long-Term Care in Health Care Reform: Policy Options to Improve Both - Policy - Long-term care reform belongs in health care reform -- "The well-being and financial security of families depend not only on access to affordable medical services, but also on access to affordable, reliable long-term care - the daily assistance and supports that many individuals need because of serious medical conditions or disabilities." This policy brief presents four policy options that merit serious consideration in the current health care reform discussion. ... The first two options would improve long-term care for people with low incomes and limited financial res. These options would modernize Medicaid in important ways, tailoring services better to individual needs and using res more effectively. The third and fourth options aim to strengthen long-term care protections for the broader population; one with better coordination of medical and long-term care for Medicare enrollees; the other by establishing insurance protection for people of all ages and incomes" (Komisar, Tumlinson, Feder, Burke, 7/16). (Note: KHN"s coverage of aging and long term care issues is supported by a grant from The SCAN Foundation.)
News of the day
Parkinson's Disease Alters Patient's Ability To Learn From Rewards While Treatment Affects Ability To Learn From Negative Outcomes
A new neuropsychological memory test is helping to uncover how Parkinson"s disease can alter people"s ability to learn about the consequences of the choices they make. The test was developed by Dr. Mark Gluck, professor of neuroscience at the Center for Molecular and Behavioral Neuroscience at Rutgers University, Newark, working with co-researchers at Rutgers, New York University, and in Hungary.
Mental Health

People Think Bottled Water Is Healthy ... Sort Of

A small study has shown that people tend to believe that bottled water is somehow healthier than water from the tap. However, the research, published in the open access journal BMC Public Health, also shows that people are unsure exactly what these benefits might be and that they are rarely the main reason for choosing bottled. Lorna Ward led a team of researchers from the University of Birmingham who carried out interviews with users of the University"s sports centre. She said: "The majority of participants believed that bottled water has some health benefits, but that they were not necessarily significant or superior to the benefits provided by tap water. Convenience and taste were more influential factors for participants when deciding to buy a bottle of water". Bottled water was described as being more "pure" than tap water, and was also described as containing more "minerals". As one respondent put it, ""I mean I know it"s good but I"m not sure why it"s good" However, most participants expressed doubts as to the extent of the health benefits of bottled water compared with tap water, believing that bottled water did have health benefits, but that these benefits were negligible. The most commonly cited reason for purchasing bottled water was convenience. The researchers conclude that, "Our results suggest that the recent surge in bottled water consumption may not be motivated by beliefs about health benefits associated with bottled water". Notes: Health beliefs about bottled water: a qualitative study Lorna A Ward, Owen L Cain, Ryan A Mullaly, Kathryn S Holliday, Aaron G Wernham, Paul D Baillie and Sheila M Greenfield BMC Public Health (in press) Article All articles are available free of charge, according to BioMed Central"s open access policy. Graeme Baldwin BioMed Central


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