Health News

Friday, August 1, 2014 - 09:21

The ability to see through organs and even the entire body to visualize long-range connections between cells as well as fine-grained cellular structures has been a long-time dream of biologists. A study published by Cell Press July 31st in the journal Cell has now made that dream a reality, revealing simple methods for making opaque organs, bodies, and human tissue biopsies transparent, while keeping the cellular structures and connections intact.

 

Tuesday, July 29, 2014 - 12:53

A new study from UC San Francisco is the first to show that while the impact of life’s stressors accumulate over time and accelerate cellular aging, these negative effects may be reduced by maintaining a healthy diet, exercising and sleeping well.

 

Tuesday, July 29, 2014 - 12:49

UT Southwestern Medical Center cancer researchers have found a molecule that selectively and irreversibly interferes with the activity of a mutated cancer gene common in 30 percent of tumors.The molecule, SML-8-73-1 (SML), interferes with the KRAS gene, or Kirsten rat sarcoma viral oncogene homolog. The gene produces proteins called K-Ras that influence when cells divide. Mutations in K-Ras can result in normal cells dividing uncontrollably and turning cancerous.  These mutations are particularly found in cancers of the lung, pancreas, and colon. In addition, people who have the mutated gene are less responsive to therapy.

 

Monday, July 28, 2014 - 10:42

A psychology researcher at North Carolina State University is proposing a new theory to explain why older adults show declining cognitive ability with age, but don’t necessarily show declines in the workplace or daily life. One key appears to be how motivated older adults are to maintain focus on cognitive tasks.

 

Monday, July 28, 2014 - 10:36

A rare procedure occasionally performed during Jewish circumcisions that involves direct oral suction is a likely source of  herpes simplex virus type 1 (HSV-1) transmissions documented in infants between 1988 and 2012, a literature review conducted by Penn Medicine researchers and published online in the Journal of the Pediatric Infectious Diseases Society found.  The reviewers, from Penn’s Center for Evidence-based Practice, identified 30 reported cases in New York, Canada and Israel.

 

Monday, July 28, 2014 - 10:14

As part of a multinational, collaborative effort, researchers from the Broad Institute, Massachusetts General Hospital (MGH), and scores of other institutions from all over the world have helped identify over 100 locations in the human genome associated with the risk of developing schizophrenia in what is the largest genomic study published on any psychiatric disorder to date. The findings, which are published online in Nature, point to biological mechanisms and pathways that may underlie schizophrenia, and could lead to new approaches to treating the disorder, which has seen little innovation in drug development in more than 60 years.