Hormones in the crosshairs UCSB anthropologists find that among Tsimane men, successful hunting boosts testosterone and cortisol levels. While small-scale horticulture is a relatively recent addition to the human repertoire of food provisioning, ...

Half of psychiatrists reject private and federal insurance, preferring cash Researchers warn that just when the need for mental health services is recognized on a national level, access to help is declining at an alarming rate NEW YORK (December 11, ...

Bacterium infecting cystic fibrosis patients genetically evolves to live in lungs and evade antibiotic treatments Research by University of Ottawa and University of Calgary scientists opens the door to more effective treatments for life-threatening disease The ...

Breast cancer treatment selection is improved by genomic tests at Jefferson Breast Care Center Molecular subtyping enables more accurate prognosis and treatment selection, according to research presented at San Antonio conference ...

Neuroscience method of optogenetics as good as electrical stimulation PROVIDENCE, R.I. [Brown University] — Neuroscientists are eagerly, but not always successfully, looking for proof that optogenetics – a celebrated technique that uses pulses of visible light ...

PIK3CA gene mutations make HER2- and hormone receptor-positive breast cancers treatment-resistant SAN ANTONIO — Women with breast cancer characterized by high levels of the protein HER2 and hormone receptors gained much less benefit from presurgery ...

Exercise improves drug-associated joint pain in breast cancer survivors SAN ANTONIO — Breast cancer survivors taking aromatase inhibitors (AIs) such as anastrozole, letrozole, and exemestane experienced a reduction in joint pain if they exercised ...

New drug combination delayed disease progression for subgroup of women with metastatic breast cancer SAN ANTONIO — Adding the drug dasatinib to a standard antihormone therapy, letrozole, doubled the time before disease progressed for women with ...

Antihormone therapy anastrozole may provide new option for breast cancer prevention SAN ANTONIO — Breast cancer incidence among postmenopausal women at high risk for developing the disease was significantly reduced by the antihormone therapy ...

Combining mutants results in 5-fold lifespan extension in C. elegans Research highlights possibility of combination therapy for aging What are the limits to longevity? New research in simple animals suggests that combining mutants can lead to radical ...

Temple scientists studying mitochondrial calcium handling yield new disease targets (Philadelphia, PA) – When things go wrong, cells turn to built-in safety mechanisms for survival. One of those mechanisms involves calcium uptake by mitochondria, ...

Partially blocking blood vessels' energy source may stop cancer growth, blindness & other conditions VIDEO: This is a confocal time-lapse video imaging of a control (A; DMSO) ...

Surprise: Duck-billed dinosaurs had fleshy 'cocks comb' A rare, mummified specimen of the duck-billed dinosaur Edmontosauraus regalis described in the Cell Press journal Current Biology on December 12 shows for the first time that those dinosaurs' heads were adorned with a ...

Exercise can reduce drug-related joint pain in breast cancer patients, study shows SAN ANTONIO— Women being treated with breast cancer drugs known as aromatase inhibitors can markedly ease the joint pain associated with the drugs by engaging in moderate ...

Where water is limited, researchers determine how much water is enough Just how thirsty are our crops? Today, December 12, JoVE, the Journal of Visualized Experiments, has published an environmental research technique that could turn the age-old ...

First test to predict acute mountain sickness Vulnerable people can modify their behavior and take preventative medication Istanbul, Turkey – 12 December 2013: The first test to identify acute mountain sickness has been developed by a team of researchers ...

Salmonella jams signals from bacteria-fighting mast cells DURHAM, N.C. – A protein in Salmonella inactivates mast cells -- critical players in the body's fight against bacteria and other pathogens -- rendering them unable to protect against bacterial ...

Fatty acids crucial to embryonic development Baltimore, MD— One classical question in developmental biology is how different tissue types arise in the correct position of the developing embryo. While one signaling pathway that controls this process has been well ...

Fox Chase study shows families don't understand genetic test results or their implications Findings suggest more outreach is needed for family members who may carry their own genetic risks of cancer PHILADELPHIA (December 12, 2013)—A study done by researchers ...

High levels of maternal care has life-long impact on vulnerability to stress Hollywood, FL (December 12, 2013) – A new study shows that high levels of maternal care during the early post-natal period in rodents can reduce the sensitivity of the offspring to ...

Peripheral immune system may regulate vulnerability to depression Hollywood, FL (December 12, 2013) – A new study shows that immune cells outside the brain may regulate propensity to develop depression. The data were presented today at the American College of Neuropsychopharmacology ...

Worms and hot baths: Novel approaches to treating autism Hollywood, FL (December 12, 2013) – A new study shows that two unusual treatment approaches may have beneficial effects on the symptoms of autism in children and adults with the disorder. Using a hot bath ...

Drug cuts breast cancer cases by more than 50 percent in high risk women Taking the breast cancer drug anastrozole for five years reduced the chances of post-menopausal women at high risk of breast cancer developing the disease by 53% compared ...

What the past tells us about modern sea-level rise Researchers from the University of Southampton and the Australian National University report that sea-level rise since the industrial revolution has been fast by natural standards and – at current rates – ...

First step of metastasis halted in mice with breast cancer Cell biologists at Johns Hopkins have identified a unique class of breast cancer cells that lead the process of invasion into surrounding tissues. Because invasion is the first step in the deadly process ...