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Impulsiveness Linked To Brain's Reward Center

Impulsiveness Linked To Brain's Reward Center
If you are acting lately very impulsively now you can blame on your brain. A new imaging study shows that our brains react with varying sensitivity to reward and suggests that people most susceptible to impulse&mdashthose who need to buy it, eat it, or have it, nowshow the greatest activity in a reward center of the brain. The study appears in the December 20 issue of The Journal of Neuroscience

In their study of 45 subjects,........Go to the Psychology news blog (Added on 12/20/2006 4:41:43 AM)

Blood Transfusions Raise Infection And Death Risk

Blood Transfusions Raise Infection And Death Risk
Blood transfusions save the lives of millions of heart surgery patients and others each year. But a new study suggests that patients who receive transfusions during heart bypass surgery have a higher risk of developing potentially dangerous infections, and dying, after their operation.

In fact, this increased risk may help explain a longstanding medical mystery: why women bypass patients are more likely than men to die in the first few........Go to the Infectious disease blog (Added on 12/20/2006 4:28:03 AM)

Language Used By Nerve Cells

Language Used By Nerve Cells
UC San Diego biologists have shown that the chemical language with which neurons communicate depends on the pattern of electrical activity in the developing nervous system. The findings suggest that modification of nerve activity could have potential as a therapy for a wide range of brain disorders.

In the study, published this week in the early on-line edition of the journal Proceedings of the National Academy of Sciences, the biologists........Go to the Neurology news blog (Added on 12/20/2006 4:15:05 AM)

Characteristics Of Fast-growing Skin Cancers

Characteristics Of Fast-growing Skin Cancers
Melanomas (skin cancers) are more likely to grow rapidly if they are thicker, symmetrical, elevated, have regular borders or have symptoms, as per a report in the recent issue of Archives of Dermatology, one of the JAMA/Archives journals. In addition, rapidly progressing melanoma is more likely to occur in elderly men and individuals with fewer moles and freckles, and its cells tend to divide more quickly and have fewer pigments than those of........Go to the Cancer-blog (Added on 12/18/2006 7:38:46 PM)

Advances In Breast Imaging

Advances In Breast Imaging
A diagnostic device that resembles a mammography unit can detect breast tumors as tiny as one-fifth of an inch in diameter, which may make it a valuable complementary imaging technique to mammography, say researchers at Mayo Clinic, who helped develop the technology along with industry collaborators Gamma Medica and GE Healthcare.

This new technique, Molecular Breast Imaging, uses a new dual-head gamma camera system and is sensitive enough........Go to the Breast-cancer-blog (Added on 12/17/2006 9:50:31 PM)

Breast Cancer Patients May Not Follow Hormonal Therapy

Breast Cancer Patients May Not Follow Hormonal Therapy
Postmenopausal women with early-stage, hormone-sensitive breast cancer have a lower risk of disease recurrence when their therapy includes a new class of hormone treatment drugs, yet one out five women prescribed the drugs may not take them regularly, as per a research studyconducted by scientists at Dana-Farber Cancer Institute and AstraZeneca Pharmaceuticals. Their findings will be presented at the 29th annual San Antonio Breast Cancer........Go to the Cancer-blog (Added on 12/17/2006 9:42:21 PM)

Brain Can Recover From Alcoholic Damage

Brain Can Recover From Alcoholic Damage
The findings, published recently (18 December 2006) in the online edition of the journal Brain [1], used sophisticated scanning technology and computer software to measure how brain volume, form and function changed over six to seven weeks of abstinence from alcohol in 15 alcohol dependent patients (ten men, five women).

The scientists from Gera number of, the UK, Switzerland and Italy measured the patients' brain volume at the beginning of........Go to the Psychology news blog (Added on 12/17/2006 9:35:57 PM)

Software Automates Access to Brain Atlases

Software Automates Access to Brain Atlases
USC computer researchers have found a cheap, quick and copyright- respecting way to turn existing print brain atlases into multimedia resources. The software, now available in an experimental beta version for free download, is a robust and user-friendly interface that works on all the most popular computer operating systems.

"Brain atlases are basic tools for scientists in neural science," says Gully A.P.C. Burns, a specialist in........Go to the Neurology news blog (Added on 12/15/2006 4:39:39 AM)

How NSAIDs Halt Cancer Growth

How NSAIDs Halt Cancer Growth
Researchers have discovered that induction of a gene known as MDA-7/IL-24 is the molecular mechanism that enables nonsteroidal anti-inflammatory drugs (NSAIDs) to halt the growth of cancer cells, a finding that could eventually lead to the development of targeted cancer therapys.

Led by scientists at Beth Israel Deaconess Medical Center (BIDMC), in collaboration with researchers at Columbia University Medical Center, the new findings provide........Go to the Cancer-blog (Added on 12/15/2006 4:30:16 AM)

Elimination Of Menstrual Cycles Safe

Elimination Of Menstrual Cycles Safe
Scientists for the first time have demonstrated the safety and effectiveness of continuous-use oral contraceptives that can eliminate menstrual cycles, as per a research studyreported in the recent issue of Contraception.

While low-dose oral contraceptives reducing the number of menstrual periods to four are on the market, this study marks the first time scientists have shown that it's safe to eliminate them, said lead investigator David F.........Go to the OBGYN news blog (Added on 12/13/2006 8:06:17 PM)

Soft Drink Ads In Schools May Discourage Healthy Nutrition

Soft Drink Ads In Schools May Discourage Healthy Nutrition
Commercial activity permitted in schools, such as soft drink ads; the use of Channel One broadcasts in classrooms; sales incentives from soft drink bottlers; and exclusive beverage contracts may discourage a "nutrition-friendly" environment for students, says researchers.

Dr. Claudia Probart, Penn State associate professor of nutritional sciences who led the study, says, "Schools' newly created wellness policies as mandated by the Child........Go to the Weight watcher's blog (Added on 12/13/2006 7:50:01 PM)

Growing Up In Bad Neighborhood

Growing Up In Bad Neighborhood
There's good news for children growing up in bad neighborhoods in a comprehensive study led by nationally renowned University of Colorado at Boulder sociology Professor Delbert Elliott.

The 8-year effort analyzing the successful development of children in different kinds of neighborhoods in Denver and Chicago observed that children growing up in high-poverty neighborhoods were doing much better than expected. The rate of successful........Go to the Society medical news blog (Added on 12/13/2006 6:41:26 PM)

New Tool To Halt Recurrence Of Atrial Fibrillation

New Tool To Halt Recurrence Of Atrial Fibrillation
Clinical scientists at the University of Pennsylvania Health System are starting a trial utilizing a new mechanism to treat the heart when its electrical pulses essentially short-circuit, referred to as atrial fibrillation (A-Fib).

The biggest problem physicians run into with current therapies to cope with electrical rhythmic pumping problems in the heart, namely pulmonary vein isolation procedures, is that up until now, they've had to........Go to the Heart-watch-blog (Added on 12/13/2006 6:22:38 PM)

Moderate Drinking May Help Older Women Live Longer

Moderate Drinking May Help Older Women Live Longer
A study published in Journal of the American Geriatrics Society finds that moderate alcohol intake (1-2 drinks/day for 3-6 days/week, depending on alcoholic content) may lead to increased quality of life and survival in older women. The Australian Longitudinal Study on Women's Health followed nearly 12,000 women in their 70's over a 6 year period. The group was comprised of non-drinkers, occasional drinkers and moderate drinkers.

The study........Go to the Society medical news blog (Added on 12/13/2006 5:41:06 PM)

Gene That Causes Familial Pancreatic Cancer

Gene That Causes Familial Pancreatic Cancer
An international group of scientists has discovered that the mutated form of a gene called Palladin causes familial pancreas cancer. The findings, published online today (Dec. 12) in the peer-evaluated journal PLoS-Medicine, may help explain why the disease is so deadly. The research project was led by Dr. Teri Brentnall, University of Washington associate professor of medicine, and supported by The Lustgarten Foundation, Canary Foundation, and........Go to the Pancreatic cancer blog (Added on 12/13/2006 4:48:14 AM)

Older Men With Early Prostate Cancer

Older Men With Early Prostate Cancer
Recent findings from an observational study by scientists at the University of Pennsylvania School of Medicine suggest that men between 65 and 80 years of age who received therapy for early stage, localized prostate cancer lived significantly longer than men who did not receive therapy. The study would be reported in the December 13th issue of the Journal of the American Medical Association.

Thanks to better cancer prevention education and........Go to the Prostate-cancer-blog (Added on 12/13/2006 4:39:42 AM)

Daily Weighing and Quick Action Keeps Pounds Off

Daily Weighing and Quick Action Keeps Pounds Off
Stepping on the scale every day, then cutting calories and boosting exercise if the numbers run too high, can significantly help dieters maintain weight loss, as per results of the first program designed specifically for weight loss maintenance. Study results are reported in the New England Journal (NEJM).

Unlike other obesity studies, which focus on how to lose weight, the "STOP Regain" trial tested a method that taught participants how to........Go to the Weight watcher's blog (Added on 12/12/2006 5:00:10 AM)

Antibody Extends Life of Mice with Breast Cancer

Antibody Extends Life of Mice with Breast Cancer
A monoclonal antibody developed by scientists at the University at Buffalo has been shown to extend significantly the survival of mice with human breast-cancer tumors and to inhibit the cancer's spread to the lungs in the animals by more than 50 percent.

The antibody, named JAA-F11, targets a particular disaccharide, an antigen known as TF-Ag, which aids the adhesion and spread of certain cancer cells. While the antibody did not kill the........Go to the Breast-cancer-blog (Added on 12/11/2006 9:25:54 PM)

Challenging The Theory Of Memory Storage

Challenging The Theory Of Memory Storage
Daily events are minted into memories in the hippocampus, one of the oldest parts of the brain. For long-term storage, researchers think that memories move to the neocortex, or "new bark," the gray matter covering the hippocampus. This transfer process occurs during sleep, particularly during deep, dreamless sleep.

A number of neuroresearchers have embraced and built upon this theory of memory storage, or consolidation, for a generation. But........Go to the Neurology news blog (Added on 12/11/2006 4:57:23 AM)

Reduced Body Temperature Extends Lifespan

Reduced Body Temperature Extends Lifespan
Scientists at The Scripps Research Institute have found that reducing the core body temperature of mice extends their median lifespan by up to 20 percent. This is the first time that changes in body temperature have been shown to affect lifespan in warm-blooded animals.

The findings appear in a paper in the journal Science on November 3.

"Our study shows it is possible to increase lifespan in mice by modest but prolonged lowering of core........Go to the Society medical news blog (Added on 12/10/2006 9:13:06 PM)

 

Androgen Therapy To Slow Progress Of Alzheimer's Disease

Androgen Therapy To Slow Progress Of Alzheimer's Disease
Experiments on mouse models of Alzheimer's disease (AD) suggest that therapy with male sex hormones might slow its progression. The findings, reported in the December 20 issue of The Journal of Neuroscience, provide new insight into the relationship between testosterone loss and AD, which affects 4.5 million Americans.

Senior author Christian Pike, PhD, of the University of Southern California (USC), with colleagues at USC and the........Go to the Neurology news blog (Added on 12/20/2006 5:05:51 AM)

Link Between Nanoparticles And Kidney Stones

Link Between Nanoparticles And Kidney Stones
Scientists at Mayo Clinic have successfully isolated nanoparticles from human kidney stones in cell cultures and have isolated proteins, RNA and DNA that appear to be linked to nanoparticles. The findings, which appear in the recent issue of the Journal of Investigative Medicine, are significant because it is one step closer in solving the mystery of whether nanoparticles are viable living forms that can lead to disease -- in this case, kidney........Go to the Kidney watch blog (Added on 12/20/2006 4:18:59 AM)

Majority Of Ulcerative Colitis Patients Are Not Compliant

Majority Of Ulcerative Colitis Patients Are Not Compliant
New York, NY December 18, 2006 A new, large survey supported by the Crohn's & Colitis Foundation of America (CCFA) finds that 65 percent of ulcerative colitis (UC) patients are less than fully compliant with first-line therapies to treat their disease. The findings are significant because an earlier study observed that patients less than fully compliant experience five times the number of disease flare-ups.

Respondents to the CCFA survey........Go to the GI news blog (Added on 12/20/2006 4:08:49 AM)

Breast Cancer Metastases Early detection

Breast Cancer Metastases Early detection
GeneSearch- Breast Lymph Node (BLN) Assay, a gene-based diagnostic test has greater sensitivity than traditional intra-operative methods of detecting the spread of breast cancer to the lymph nodes. In the recent study that was presented at 29th Annual San Antonio Breast Cancer Symposium GeneSearch- Breast Lymph Node (BLN) Assay was shown to do give superior results. GeneSearch- BLN Assay demonstrated overall sensitivity at least 10 percentage........Go to the Breast-cancer-blog (Added on 12/18/2006 7:52:32 PM)

Estrogen Use May Lower Colon Cancer Risk

Estrogen Use May Lower Colon Cancer Risk
A new study from the Dana-Farber cancer institute shows that postmenopausal women with colon cancer lives longer if they have been taking estrogen supplements within five years of their diagnosis. This becomes an interesting finding given the fact that postmenopausal estrogen usage has been on decline recently because of reports of increased risk of breast cancer linked to its use.

In this new study, which is reported in the latest issue of........Go to the Colon-cancer-blog (Added on 12/18/2006 7:33:31 PM)

Divorce does not spell doom at Christmas

Divorce does not spell doom at Christmas
While it may be assumed that 'Peace and goodwill' are out of the question for divorced or separated parents at Christmas, new research funded by the Economic and Social Research Council (ESRC) suggests that parents should not despair.

The study shows that, over time, festivities replace hostilities for the vast majority of families. Researcher, Dr Jennifer Flowerdew commented "Despite the difficulties that arise in the immediate aftermath of........Go to the Psychology news blog (Added on 12/17/2006 9:39:25 PM)

Reduced Fat Intake Decreases Breast Cancer Recurrence

Reduced Fat Intake Decreases Breast Cancer Recurrence
Reducing dietary fat intake may decrease the chance of a breast cancer recurrence in women who have been treated for early-stage breast cancer, as per a randomized, phase III trial in the December 20 issue of the Journal of the National Cancer Institute.

The relationship between dietary fat intake and breast cancer is unclear, both for primary breast cancer development and breast cancer recurrence. Rowan T. Chlebowski, M.D., Ph.D., of the........Go to the Breast-cancer-blog (Added on 12/16/2006 12:04:30 PM)

Learning During Sleep?

Learning During Sleep?
The question of how the brain stores or discards memories still remains largely unexplained. A number of brain scientists regard the consolidation theory as the best approach so far. This states that fresh impressions are first stored as short-term memories in the hippocampus. They are then said to move within hours or a few days - commonly during deep sleep - into the cerebral cortex where they enter long-term memory. Investigations by Thomas........Go to the Neurology news blog (Added on 12/15/2006 5:13:41 AM)

How To Predict Potential For Breast Cancer Spread

How To Predict Potential For Breast Cancer Spread
Expression of two different proteins taken from primary tumor biopsies is highly linked to spread of breast cancer to nearby lymph nodes, as per scientists who say this protein profile could help identify at an early stage those patients whose disease is likely to metastasize.

In the December 15 issue of Cancer Research, the scientists say over-expression of one unidentified protein and under-expression of another is 88 percent accurate in........Go to the Breast-cancer-blog (Added on 12/15/2006 4:21:54 AM)

New Hope To Lung Cancer Patients

New Hope To Lung Cancer Patients
Patients suffering from the most common type of lung cancer experienced a 20-percent improvement in overall survival in a national clinical trial of a drug that chokes off the blood vessels nourishing tumors, a multicenter study has observed.

Dr. Joan Schiller, chief of hematology/oncology at UT Southwestern Medical Center, said: "This is great news for patients with lung cancer - they live longer, and the side effects from Avastin are........Go to the Lung-cancer-blog (Added on 12/13/2006 7:55:35 PM)

Tobacco Prevention Ads May Backfire

Tobacco Prevention Ads May Backfire
Tobacco company-sponsored anti-smoking advertising aimed at youths not only has no negative effect on teen smoking, it may actually encourage youngsters to smoke, as per a co-author of studyed by an Oregon State University researcher.

Results from the study also show that tobacco industry-sponsored prevention ads aimed at parents often have harmful effects on students, also increasing their likelihood of smoking.

"We suspected this the........Go to the Society medical news blog (Added on 12/13/2006 7:04:46 PM)

International Trial Of Novel Breast Cancer Drug

International Trial Of Novel Breast Cancer Drug
A clinical trial of a new targeted breast cancer drug, led by physicians at Massachusetts General Hospital (MGH) Cancer Center, has begun enrolling patients. The TEACH (Tykerb Evaluation After CHemotherapy) trial will investigate the experimental drug Tykerb (lapatinib) in patients with early-stage, HER2-positive breast cancer who have not been treated with Herceptin, another targeted drug used for the same type of tumor. The MGH is the lead........Go to the Breast-cancer-blog (Added on 12/13/2006 6:32:11 PM)

Relationships Benefit When New Parents Get Help

Relationships Benefit When New Parents Get Help
The birth of a first child is commonly an exciting and eagerly anticipated milestone in any committed relationship, yet research suggests it can also be the beginning of the end for a number of couples.

As per clinical psychology expert Dr Jemima Petch, about half of all couples report a significant decline in satisfaction with their relationship during the transition to parenthood.

Conflict between the couple, psychological distress,........Go to the Pediatric news blog (Added on 12/13/2006 6:10:47 PM)

Acid Reflux Disease Linked To Obesity

Acid Reflux Disease Linked To Obesity
As per a new article in The American Journal of Gastroenterology, gastroesophageal reflux disease (GRD), more usually known as, acid reflux, is associated with obesity. Since (GRD) is strongly linked to more serious conditions, such as esophageal ulcers and cancer, weight reduction treatment may be useful in therapy and prevention of these conditions.

"The condition is very common, but prior studies have not been successful at pinpointing........Go to the Weight watcher's blog (Added on 12/13/2006 5:07:50 AM)

Positive Reults For Investigational Thrombocytopenia Agent

Positive Reults For Investigational Thrombocytopenia Agent
AKR-501 is a promising member of a new class of agents called, "TPO receptor agonists" that is now in Phase II clinical development. It is an investigational orally administered drug being developed by AkaRx, Inc. intended to mimic the biologic effect of thrombopoietin, a growth factor that stimulates production of platelets.

At the American Society of Hematology meeting, results from two Phase I clinical research trials were presented.........Go to the Research news blog (Added on 12/13/2006 4:57:56 AM)

Obesity Epidemic Will Cause Thousands More Cases Of Cancer

Obesity Epidemic Will Cause Thousands More Cases Of Cancer
Cancer Research UK today put Britain on a warning that the rising tide of obesity could result in as many as 12,000 cases of weight related cancer diagnosed annually by 2010.

The most recent figures show that in 2003 there were 24.2 million obese or overweight people in the UK. The department of health has predicted a 14 per cent increase by 2010 which means the numbers will rise to 27.6 million.

Cancer Research UK statisticians have........Go to the Cancer-blog (Added on 12/12/2006 5:14:05 AM)

Almost Half Of Lung Cancer Patients Go Back To Cigarettes

Almost Half Of Lung Cancer Patients Go Back To Cigarettes
New research has shown that the development of lung cancer and surgery to remove it is not yet enough to put a number of smokers off picking up cigarettes again.

A Washington University School of Medicine study of 154 smokers who had surgery to remove early stage lung cancer found almost half picked up a cigarette again within 12 months of their operations.

The scientists observed that 43 per cent of patients smoked at some point after........Go to the Lung-cancer-blog (Added on 12/12/2006 5:04:23 AM)

'ZIP Code' Spurs Cargo Transport in Neurons

'ZIP Code' Spurs Cargo Transport in Neurons
For the first time, scientists have identified a peptide that can spur cargo transport in nerve cells, a discovery that could help researchers better understand nerve cell function and test possible therapies for neurodegenerative diseases.

Elaine Bearer, a professor at Brown Medical School, led the research, which was conducted at the MBL (Marine Biological Laboratory) in Woods Hole, Mass., where Bearer was a Dart Scholar and is a Whitman........Go to the Neurology news blog (Added on 12/12/2006 4:49:57 AM)

Cutting Back On Cigarettes May Not Work

Cutting Back On Cigarettes May Not Work
Heavy smokers who have reduced their number of daily cigarettes still experience significantly greater exposure to toxins per cigarette than light smokers, as per a new study by scientists at the University of Minnesota.

Even when smokers in the two groups smoked as few as five cigarettes a day, heavy smokers who reduced their cigarette intake experienced two to three times the amount of total toxin exposure per cigarette when compared with........Go to the Cancer-blog (Added on 12/11/2006 9:16:23 PM)

New Treatments To Prevalent Eye Diseases

New Treatments For Prevalent Eye Diseases
Researchers at The Scripps Research Institute have discovered a method of repairing and normalizing blood vessels in the eye through the use of stem cells derived from bone marrow. These findings may point to a new approach for developing therapys for a certain type of eye diseases.

The research, led by Scripps Research Professor Martin Friedlander, was published online November 16 in The Journal of Clinical Investigation.

In the new........Go to the Ophthalmology news blog (Added on 12/10/2006 9:06:09 PM)

 

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Cancer terms:
Oncologist: Physician or surgeon who had specialized in the treatment of cancer. Medical oncologists usually treat patients with chemotherapy, hormonal therapy and biological therapy, radiation oncologists treat cancer with radiation therapy and surgical oncologists treat patients with surgery. See cancer terms for more cancer related terms.

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