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Benefits of testosterone treatment unknown, research shows
Little research exists demonstrating that testosterone is both safe from the cardiovascular standpoint and effective to treat sexual dysfunction, reveal Mayo Clinic researchers in two new studies.   view more (2007-01-10)

Plastics in common household items may cause fertility defects
The contaminant bisphenol-A (BPA)—widely used to make many plastics found in food storage containers and dental products—can have long-term effects in female development, according to a recent study by Yale School of Medicine researchers.   view more (2007-02-15)

Variation in bitter-taste receptor gene increases risk for alcoholism
A team of researchers, led by investigators at Washington University School of Medicine in St. Louis, has found that a gene variant for a bitter-taste receptor on the tongue is associated with an increased risk for alcohol dependence.   view more (2006-01-10)

Scientists use gene therapy to improve memory and learning in animals
Stanford University neuroscientists have designed a gene that enhances memory and learning ability in animals under stress.   view more (2006-11-08)

Early exposure to synthetic estrogen puts 'DES Daughters' at higher risk for breast cancer
So-called "DES daughters," born to mothers who used the anti-miscarriage drug diethylstilbestrol during pregnancy, are at a substantially greater risk of developing breast cancer compared to women who were not exposed to the drug in utero.   view more (2006-08-07)

Long-term hormone replacement therapy increases breast cancer risk
"Are you taking or did you take hormones? If yes, which hormone medication and for how long? When did you stop taking hormone replacement medication?" 3,464 breast cancer patients and 6,657 healthy women between the ages of 50 and 74 years participated in a large survey and elicited... view more (2008-05-29)

A new system for collaboration in cell communication
Investigators from the Institute of Research in Biomedicine (IRB Barcelona) have identified a new signalling mechanism among cells in the fruit fly, Drosophila melanogaster.   view more (2007-06-27)

Study suggests MPA is effective treatment for hot flashes
Mayo Clinic researchers working with other North Central Cancer Treatment Group (NCCTG) investigators have found that a single dose of depomedroxyprogesterone acetate (MPA) more effectively reduces hot flashes than does the antidepressant venlafaxine (Effexor¬Æ)   view more (2006-03-01)

Active compounds found in Ganoderma lucidum fungus with potential to treat prostate cancer
A new development in the fight against cancer: Recent research at the University of Haifa found that molecules found in common fungus Ganoderma lucidum aid in suppressing some of the mechanisms involved in the progression of prostate cancer.   view more (2007-12-12)

UNC scientists discover 'gatekeeper' protein in blood clotting
New research from the University of North Carolina at Chapel Hill School of Medicine has identified a protein that may control blood clotting by keeping blood platelets from sticking together.   view more (2006-01-30)

Wasabi's kick linked to single pain receptor
A single pain receptor is responsible for the kick delivered by garlic and mustard oil, which is the active ingredient in mustard and in the pungent green sushi condiment known as wasabi, according to a Yale School of Medicine study published this week in Cell.   view more (2006-03-27)

Discovery of 'sugar sensor' in intestine could benefit diabetes
Diabetes patients could benefit from new research at the University of Liverpool that has identified a molecule in the intestine that can 'taste' the sugar content of the diet.   view more (2007-08-22)

Olfactory nerve cells expressing same receptor display a varied set of reactions
n a mouse model, University of Pennsylvania School of Medicine researchers discovered that olfactory sensory neurons expressing the same receptor responded to a specific odor with an array of speeds and sensitivities.   view more (2006-02-03)

Tarantula venom and chili peppers target same pain sensor
Venom from a West Indian tarantula has been shown to cause pain by exciting the same nerve cells in mice that sense high temperatures and the hot, spicy ingredient in chili peppers.   view more (2006-11-09)

Potential new targets for antidepressant medications
The news about antidepressant medications over the past several years has been mixed. The bad news from large multicenter studies such as STAR*D is that current antidepressant medications are effective, but not as effective as one might hope. Thus, there is a significant need for new treatment... view more (2008-08-27)

Marijuana-like compounds suppress the immune response
A group of Japanese scientists has discovered that cannabinoids can cause some white blood cells to lose their ability to migrate to the sites of infection and inflammation.   view more (2006-04-27)

Food restriction increases dopamine receptor levels in obese rats
A brain-imaging study of genetically obese rats conducted at the U.S. Department of Energy's Brookhaven National Laboratory provides more evidence that dopamine - a brain chemical associated with reward, pleasure, movement, and motivation - plays a role in obesity.   view more (2007-10-25)

Drug developed at UC Davis may prevent breast cancer, treat post-menopausal vaginal atrophy
A tamoxifen-like drug developed by UC Davis and Finnish researchers, now in clinical testing as a treatment for vaginal atrophy, may also help to prevent breast cancer, two preliminary studies suggest.   view more (2005-11-03)

Ashwell receptor reduces mortality during sepsis
In research that solves the longest-standing mystery in glycobiology - a field that studies complex sugar chains called glycans - researchers at the University of California, San Diego School of Medicine have discovered that a molecule in the liver of all animals, called the Ashwell receptor, is... view more (2008-05-19)

Treating osteoporosis calls for physician, dentist collaboration: ADA Journal
Physicians and dentists should collaborate to improve early detection and treatment of patients who have or may develop osteoporosis, say researchers in the cover story of the May issue of The Journal of the American Dental Association.   view more (2008-05-16)

Decrease in breast cancer rates related to reduction in use of hormone replacement therapy
The sharp decline in the rate of new breast cancer cases in 2003 may be related to a national decline in the use of hormone replacement therapy (HRT), according to a new report in the April 19, 2007, issue of the New England Journal of Medicine.   view more (2007-04-19)

Study advances evidence for receptor's role in alcohol pleasure and problems
A genetic variant of a receptor in the brain's reward circuitry heightens the stimulating effects of early exposures to alcohol and increases alcohol consumption, according to a new study by researchers at the National Institute on Alcohol Abuse and Alcoholism (NIAAA), part of the National... view more (2007-03-07)

Oral contraceptives associated with reduced risk of multiple sclerosis
Over a three-year period, the risk of developing multiple sclerosis (MS) was reduced in women taking oral contraceptives, according to a study in the September issue of Archives of Neurology, one of the JAMA/Archives journals.   view more (2005-09-13)

Researchers look to the brain to explain gender differences in sleep apnea
The neural pathways between two areas of the brain that control the tongue - and their interactions with each other - may hold the key as to why men suffer sleep apnea much more than women.   view more (2006-04-04)

Endosome-mediated signaling in plants
In a paper that will be published online in advance of its July 1st publication date, Drs. Niko Geldner, Joanne Chory and colleagues (The Salk Institute and HHMI) demonstrate that endosomes can function as signaling platforms in plants, as well as in animals.   view more (2007-06-19)
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