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Study: Red Meat Possibly Linked to Breast Cancer

June 10, 2014 7:16 pm | by Maria Cheng - AP Medical Writer - Associated Press | News | Comments

Women who often indulge their cravings for hamburgers, steaks and other red meat may have a slightly higher risk of breast cancer, a new study suggests. Doctors have long warned that a diet loaded with red meat is linked to cancers including those of the colon and pancreas, but there has been less evidence for its role in breast cancer.

Obesity Surgery May 'Cure' Diabetes for 15 Years

June 10, 2014 5:19 pm | by Lindsey Tanner - AP Medical Writer - Associated Press | News | Comments

Obesity surgery may keep diabetes in remission even after 15 years in some patients, a study suggests. Long-term results were missing for more than half the patients who began the study and remission rates dropped off considerably. But still, 35 out of 115 patients remained diabetes-free 15 years after surgery. Also, 20 years after surgery, about 25 patients remained free of diabetes complications including eye and kidney problems.

Does 'Free Will' Stem from Brain Noise?

June 10, 2014 2:23 pm | News | Comments

Our ability to make choices — and sometimes mistakes — might arise from random fluctuations in the brain's background electrical noise, according to a recent study from the Center for Mind and Brain at the University of California, Davis.

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Stem Cells Helps Create Light-sensitive Retina in a Dish

June 10, 2014 1:38 pm | News | Comments

Using a type of human stem cell, researchers say they have created a 3-D complement of human retinal tissue in the laboratory, which includes functioning photoreceptor cells capable of responding to light, the first step in the process of converting it into visual images.

Split-personality Protein Linked to Diabetes

June 10, 2014 1:34 pm | News | Comments

Researchers are a step closer to establishing the link between a protein with a split personality and type 1 diabetes. New research shows how the protein GAD65 changes its shape when it turns itself on and off. This characteristic may also link it to type 1 diabetes.

Oxytocin Helps Old Muscle Work Like New

June 10, 2014 1:18 pm | News | Comments

Researchers have discovered that oxytocin– a hormone associated with maternal nurturing, social attachments, childbirth and sex– is indispensable for healthy muscle maintenance and repair, and that in mice it declines with age.       

‘Tomato Pill’ Improves Blood Vessel Function

June 10, 2014 12:58 pm | News | Comments

A daily supplement of an extract found in tomatoes may improve the function of blood vessels in patients with cardiovascular disease, according to new research.                          

Protein Could Put Antibiotic-Resistant Bugs in Handcuffs

June 10, 2014 12:15 pm | News | Comments

A team from Duke and the University of Sydney in Australia has solved the structure of a key protein that drives DNA copying in the plasmids that make staphylococcus bacteria antibiotic-resistant. Knowing how this protein works may now help researchers devise new ways to stop the plasmids from spreading antibiotic resistance in staph by preventing the plasmids from copying themselves.

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Inside the Adult ADHD Brain

June 10, 2014 11:43 am | News | Comments

About 10 million American adults are currently diagnosed with ADHD. In the first study to compare patterns of brain activity in adults who recovered from childhood ADHD and those who did not, MIT neuroscientists have discovered key differences in a brain communication network that is active when the brain is at wakeful rest and not focused on a particular task.

Healthy Seniors Tested in Bid to Block Alzheimer's

June 9, 2014 3:20 pm | by Lauran Neergaard - AP Medical Writer - Associated Press | News | Comments

In one of the most ambitious attempts yet to thwart Alzheimer's disease, a major study got underway Monday to see if an experimental drug can protect healthy seniors whose brains harbor silent signs that they're at risk. Scientists plan to eventually scan the brains of thousands of older volunteers in the U.S., Canada and Australia to find those with a sticky build-up believed to play a key role in development of Alzheimer's disease.

Targeting Tumors Using Silver Nanoparticles

June 9, 2014 2:10 pm | News | Comments

Scientists at UC Santa Barbara have designed a nanoparticle that has a couple of unique — and important — properties. Spherical in shape and silver in composition, it is encased in a shell coated with a peptide that enables it to target tumor cells. What’s more, the shell is etchable so those nanoparticles that don’t hit their target can be broken down and eliminated.

Researchers Pinpoint New Role for Enzyme in DNA Repair

June 9, 2014 1:23 pm | News | Comments

Twelve years ago, researchers found that a protein called Set2 plays a role in how yeast genes are expressed– specifically how DNA gets transcribed into messenger RNA. Now, it has been discovered that Set2 is also a major player in DNA repair, a complicated and crucial process that can lead to the development of cancer cells.

Longer Telomeres Linked to Brain Cancer Risk

June 9, 2014 1:12 pm | News | Comments

New genomic research revealed that two common gene variants that lead to longer telomeres, the caps on chromosome ends thought by many scientists to confer health by protecting cells from aging, also significantly increase the risk of developing the deadly brain cancers known as gliomas.

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Vitamin D Protects Against Liver Cancer

June 9, 2014 1:06 pm | News | Comments

Vitamin D has been shown to play an important role in liver function. Now, a new study in Western Europeans shows that vitamin D lowers the risk of developing hepatocellular carcinoma (HCC), the main form of liver cancer.          

Newborns Exposed to Allergens May Have Lower Allergy, Asthma Risk

June 9, 2014 12:57 pm | News | Comments

Infants exposed to rodent and pet dander, roach allergens and a wide variety of household bacteria in the first year of life appear less likely to suffer from allergies, wheezing and asthma, according to a new study.          

Review Summarizes Research on Marijuana’s Negative Health Effects

June 6, 2014 1:52 pm | News | Comments

The current state of science on the adverse health effects of marijuana use links the drug to several significant adverse effects including addiction, a new review reports.                       

Brain Circuit Problem Likely Culprit Behind 'Voices' in Schizophrenia

June 6, 2014 1:41 pm | News | Comments

Scientists have identified problems in a connection between brain structures that may predispose individuals to hearing the “voices” that are a common symptom of schizophrenia. Researchers linked the problem to a gene deletion.       

Unmasking a Viral Invader

June 6, 2014 1:27 pm | News | Comments

Cytomegalovirus, or CMV, is perhaps one of the biggest pathogens you’ve never heard of—big, both proportionately and epidemiologically. If you’re healthy, it’s harmless, but if you have an impaired immune system, the virus can assert itself with a vengeance. Now, researchers have discovered a menu of tactical secrets CMV employs.

Immune System Molecules May Promote Weight Loss

June 6, 2014 1:12 pm | News | Comments

The calorie-burning triggered by cold temperatures can be achieved biochemically– without the chill– raising hopes for a weight-loss strategy focused on the immune system rather than the brain, according to a new study.          

Seemingly Invincible Cancer Stem Cells Reveal a Weakness

June 6, 2014 12:55 pm | News | Comments

Metastatic cancer cells, which can migrate from primary tumors to seed new malignancies, have thus far been resistant to the current arsenal of anticancer drugs. Now, researchers have identified a critical weakness that actually exploits one of these cells’ apparent strengths—their ability to move and invade tissues.

Three Gene Networks Discovered in Autism

June 6, 2014 12:45 pm | News | Comments

A large new analysis of DNA from thousands of patients has uncovered several underlying gene networks with potentially important roles in autism. These networks may offer attractive targets for developing new autism drugs or repurposing existing drugs that act on components of the networks.

Prostate Cancer Biomarkers Found in Seminal Fluid

June 6, 2014 12:35 pm | News | Comments

Improved diagnosis and management of one of the most common cancers in men- prostate cancer- could result from research, which has discovered that seminal fluid (semen) contains biomarkers for the disease.              

Obesity Research Takes Aim at Protein Regulators

June 6, 2014 9:00 am | by Skip Derra | Articles | Comments

You are what you eat, but researchers are beginning to realize that what and when you eat is controlled by a myriad of underlying biological triggers acting in concert.                       

Breaking News: Air Pollution Linked to Autism, Schizophrenia

June 5, 2014 3:00 pm | News | Comments

A new study shows how exposure to air pollution early in life produces harmful changes in the brains of mice, including an enlargement of part of the brain that is seen in humans who have autism and schizophrenia.           

Tool Enables Better Delivery of Brain Cancer Treatment

June 5, 2014 2:17 pm | News | Comments

Surgery and radiation for a glioblastoma have only limited effectiveness because the tumor is particularly aggressive, infiltrating brain tissue surrounding the primary tumor. Scientists have developed a technique designed to open the blood-brain barrier at targeted locations just far enough to allow the passage of drug-bearing nanoparticles.

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