ScienceDaily: Health & Medicine News

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• Postmenopausal women who smoked are more likely to lose teeth due to periodontal disease
• Reprogramming adult cells to stem cells works better with one gene turned off
• How do bacteria clog medical devices? Very quickly
• Facebook 'Likes' a good indicator of quality hospital care
• 'Defective' virus surprisingly plays major role in spread of disease
• Mechanisms regulating inflammation associated with type 2 diabetes, cancer identified
• The patient satisfaction chasm
• A better bone marrow transplant: Preventing graft-versus-host disease
• Tumors deliberately create conditions that inhibit body's best immune response
• Infection during pregnancy and stress in puberty play key role in development of schizophrenia
• Parkinson's disease: Parkin protects from neuronal cell death
• New chemical probe provides tool to investigate role of malignant brain tumor domains in chromatin structure and regulation
• Pregnancy permanently changes foot size
• Cancer survival: Where you're treated matters
• New study shows cannabis effects on driving skills
• Important control mechanism behind autoimmune diseases discovered

Postmenopausal women who smoked are more likely to lose teeth due to periodontal disease Posted: 01 Mar 2013 12:36 PM PST Postmenopausal women who have smoked are at much higher risk of losing their teeth than women who never smoked, according to a new study.

Reprogramming adult cells to stem cells works better with one gene turned off Posted: 01 Mar 2013 12:32 PM PST The removal of a genetic roadblock could improve the efficiency of converting adult cells into stem cells by 10 to 30 times, report scientists.

How do bacteria clog medical devices? Very quickly Posted: 01 Mar 2013 10:11 AM PST A new study demonstrates that bacteria can quickly and catastrophically clog medical devices by forming slimy ribbons that tangle and trap other cells.

Facebook 'Likes' a good indicator of quality hospital care Posted: 01 Mar 2013 09:33 AM PST While those active on social media aren't shy about expressing opinions on their Facebook pages, how much do their "Likes" really reflect the quality of an organization? A new study shows that Facebook "Likes" were indeed an indicator of hospital quality and patient satisfaction.

'Defective' virus surprisingly plays major role in spread of disease Posted: 01 Mar 2013 09:33 AM PST Defective viruses, thought for decades to be essentially garbage unrelated to the transmission of a virus, now appear able to play a much more important role in the spread of disease, biologists show. Life scientists report for the first time a significant link between a defective virus and an increased rate of transmission of a major disease.

Mechanisms regulating inflammation associated with type 2 diabetes, cancer identified Posted: 01 Mar 2013 09:33 AM PST A new study has identified epigenetic mechanisms that connect a variety of diseases associated with inflammation.

The patient satisfaction chasm Posted: 01 Mar 2013 09:30 AM PST New research finds insufficient support from hospital management to improve the patient experience by engaging physicians and nurses in the process.

A better bone marrow transplant: Preventing graft-versus-host disease Posted: 01 Mar 2013 09:29 AM PST Bone marrow transplant is a key treatment for patients with leukemia, lymphoma, multiple myeloma and other blood disorders.

Tumors deliberately create conditions that inhibit body's best immune response Posted: 01 Mar 2013 09:29 AM PST New research reveals that tumors in melanoma patients deliberately create conditions that knock out the body's 'premier' immune defense and instead attract a weaker immune response unable to kill off the tumor's cancerous cells.

Infection during pregnancy and stress in puberty play key role in development of schizophrenia Posted: 01 Mar 2013 09:25 AM PST The interplay between an infection during pregnancy and stress in puberty plays a key role in the development of schizophrenia, as behaviorists demonstrate in a mouse model. However, there is no need to panic.

Parkinson's disease: Parkin protects from neuronal cell death Posted: 01 Mar 2013 09:25 AM PST Researchers have identified a novel signal transduction pathway, which activates the parkin gene and prevents stress-induced neuronal cell death.

New chemical probe provides tool to investigate role of malignant brain tumor domains in chromatin structure and regulation Posted: 01 Mar 2013 09:23 AM PST Medical researchers have discovered a chemical probe that can be used to investigate the L3MBTL3 methyl-lysine reader domain. The probe, named UNC1215, will provide researchers with a powerful tool to investigate the function of malignant brain tumor (MBT) domain proteins in biology and disease.

Pregnancy permanently changes foot size Posted: 01 Mar 2013 09:23 AM PST A new study of women's feet during and after pregnancy shows that arch height and arch rigidity decrease significantly from early pregnancy to five months after childbirth, causing corresponding increases in foot length that appear to be permanent.

Cancer survival: Where you're treated matters Posted: 01 Mar 2013 09:23 AM PST A study of older patients with advanced head and neck cancers has found that where they were treated significantly influenced their survival. The study found that patients who were treated at hospitals that saw a high number of head and neck cancers were 15 percent less likely to die of their disease as compared to patients who were treated at hospitals that saw a relatively low number of such cancers. The study also found that such patients were 12 percent less likely to die of their disease when treated at a National Cancer Institute -designated cancer center.

New study shows cannabis effects on driving skills Posted: 01 Mar 2013 09:22 AM PST Cannabis is second only to alcohol for causing impaired driving and motor vehicle accidents. In 2009, 12.8% of young adults reported driving under the influence of illicit drugs and in the 2007 National Roadside Survey, more drivers tested positive for drugs than for alcohol. These cannabis smokers had a 10-fold increase in car crash injury compared with infrequent or nonusers after adjustment for blood alcohol concentration.

Important control mechanism behind autoimmune diseases discovered Posted: 01 Mar 2013 05:56 AM PST Researchers have discovered a new control mechanism in our immune system. The discovery is of potential significance to the treatment of serious diseases such as MS (multiple sclerosis), rheumatoid arthritis, and SLE (Systemic lupus erythematosus).

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