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A little of what you fancy does you no good
10-23-2006 · EurekAlert!Hemiclonal analysis of Drosophila melanogaster reveals that high-fitness males produce low-fitness daughters and high-fitness mothers produce low-fitness sons, with implications for models of sexual selection.
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- Caffeine and exercise can team up to prevent skin cancer
07-30-2007 · EurekAlert!
Regular exercise and little or no caffeine has become a popular lifestyle choice for many Americans. But a new Rutgers study has found that it may not be the best formula for preventing sun-induced skin damage that could lead to cancer. Low to moderate amounts of caffeine, in fact, along with exercise can be good for your health.
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- How pitching changes little leaguers' shoulders
10-04-2007 · EurekAlert!
While shoulder changes can allow pitches to go faster, too much of a good thing can be bad for growing kids.
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- Folic Acid Dilemma: One vitamin may impair cognition if another is lacking
01-13-2007 · Science News Online
The nutrient folic acid is generally good for brain health, but research now suggests that too much of it might harm people who get too little vitamin B
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- More flight than fancy?
04-05-2007 · EurekAlert!
Scientists from the universities of Exeter and Cambridge have turned atextbook example of sexual selection on its head and shown that females may be more astute at choosing a mate than previously thought. New research, funded by the Leverhulme Trust and published online on April 5 in Current Biology, shows that differences in the lengths of the long tail feathers possessed by male barn swallows are an example of natural selection, not sexual selection.
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- The neurobiology behind why eating feels so good
10-19-2006 · EurekAlert!
The need to eat is triggered by the hormone ghrelin. Ghrelin is produced in the gut and triggers the brain to promote eating, but it remains to be determined precisely how ghrelin affects different parts of the brain. A new study shows that in mice and rats, ghrelin triggers the same neurons as delicious food, sexual experience, and many recreational drugs; that is, neurons that provide the sensation of pleasure and the expectation of reward.
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- Firefighters face increased risk for certain cancers
11-10-2006 · EurekAlert!
University of Cincinnati environmental health researchers have determined that firefighters are significantly more likely to develop four different types of cancer than workers in other fields. Their findings suggest that the protective equipment firefighters have used in the past didn't do a good job in protecting them against cancer-causing agents they encounter in their profession, the researchers say.
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- New international study to test exercise in heart failure patients
01-19-2007 · EurekAlert!
Cardiologists at Wake Forest University Baptist Medical Center are helping to lead a large international study involving 83 other sites that will test 3,000 patients in an effort to determine whether exercise really is good for heart failure patients.
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- Good for the goose, not so great for the gander
02-07-2007 · EurekAlert!
A provocative new model proposed by USC molecular biologist John Tower may help answer an enduring scientific question: Why do women tend to live longer than men? The model suggests how, on a genetic level, the evolution of aging and sex may be inextricably linked. It concludes that sexual differentiation processes may exact a high biological cost -- reduced function of the cell’s mitochondria and shorter life span in males.
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- JCI table of contents: March 15, 2007
03-15-2007 · EurekAlert!
This release contains summaries, links to PDFs and contact information for the following newsworthy papers to be published online, March 15, 2007, in the JCI, including: "Gallium: a new antibacterial agent?"; "Therapeutic unshackles p53 and causes tumor regression"; "Taking away Cbl-b improves antitumor immune responses"; "MCP3 entices monocytes to leave the bone marrow"; and "Artificial lymph nodes as good as real ones."
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- Scientists find that lightning is good indicator of volcanic activity
03-28-2007 · EurekAlert!
Although it's been more than a year since Mount Augustine had its memorable eruption, work continues for University of Alaska Fairbanks researchers. The work of Alaska Volcano Observatory employees from UAF's Geophysical Institute will be appearing in the upcoming issue of the journal Science.
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