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Feb 14
New study reveals clear link between obesity and pain
There's a clear link between obesity and pain, suggests a new study that finds the heaviest people suffer the greatest discomfort.

Researchers examined data from more than 1 million people who were asked about their health, pain and well-being in telephone surveys conducted between 2008 and 2010.

Thirty-eight percent of the participants were overweight and 25 percent were obese. Those who were obese were classified into one of three obesity levels as defined by the World Health Organization.

Compared to people with low to normal weight, pain rates were 20 percent higher for overweight people, 68 percent higher for those in the Obese 1 group, 136 percent higher for the Obese 2 group, and 254 percent higher for the Obese 3 group.

The researchers also found that as people age, excess weight is associated with even higher levels of pain.

The study was published recently in the online edition of the journal Obesity.

"Our findings confirm and extend earlier studies about the link between obesity and pain. These findings hold true after we accounted for several common pain conditions and across gender and age," Arthur Stone, vice chair of the department of psychiatry and behavioral science at Stony Brook University School of Medicine, said in a university news release.

"We wanted to explore this relationship further by checking to see if it was due to painful diseases that cause reduced activity, which in turn causes increased weight," Joan Broderick, an associate professor in Stony Brook's Department of Psychiatry and Behavioral Science and School of Public Health, said in the news release.

"We found that 'pain yesterday' was definitely more common among people with diseases that cause bodily pain. Even so, when we controlled for these specific diseases, the weight-pain relationship held up. This finding suggests that obesity alone may cause pain, aside from the presence of painful diseases," she said.

Musculoskeletal pain was the source of some of the pain, according to the report, but it wasn't the only cause.

Researchers say there are other possible explanations why many obese people suffer from pain, including that the excess fat may trigger processes that result in inflammation and pain. Depression is another possibility.

More research into the pain-obesity connection is needed, they said.

Feb 13
Distraction reduces pain
Distracting yourself from pain can actually help you hurt less, suggest experts.

In a new study that involved 33 people, participants who were subjected to slight pain on their forearms reported less discomfort when they were asked to perform a distracting mental test as the pain was delivered.

Moreover, when participants were given a placebo "pain relief" cream, and distracted at the same time, their pain was even more reduced.

"Both placebo and distraction are effective mechanisms for reducing pain. You can combine them and you don't lose anything," said study researcher Jason Buhle, who conducted the research as part of his doctoral dissertation from Columbia University.

The work sheds light on how the placebo effect may work, Buhle said.

Previously, it had been thought that the placebo effect was the result of some perhaps unconscious mental effort, but the new results suggest that it relies on a separate mechanism from distraction.

What the researchers found was that the placebo cream and the distracting test both had lessened the participants pain, but distraction made for a much more effective pain reliever.

"It's clear that distraction is very powerful, and it was not uncommon for someone with a distraction condition to say, 'Did you really turn it on?' Buhle said.

"Sometimes they won't even feel the pain It is striking to see."

By contrast, he said, "Nobody says that after the placebo."

Calling the findings "intriguing," Dr. Ian Cook, director of the UCLA Depression Research and Clinic Program, said the study helps point to a new path for nondrug treatments for pain.

It would be interesting to see the effect of distraction on other conditions where the placebo effect has shown an impact, such as anxiety, Cook said.

Feb 13
Quality of vaccines produced in India becoming a concern
Though Indian companies produce vaccines in large quantities and at affordable prices, the quality of some was becoming a cause of worry, GAVI Alliance CEO Seth Berkley said today.

"India companies are coming out on their own and they are making more and more of the global market. Though, we have seen some issues over quality in some companies in India and some companies have been delisted by the WHO. Making sure of
quality is absolutely critical for vaccines," he told reporters on the sidelines of the ninth edition of three-day BioAsia, the annual global bio business forum, that began here this evening.

GAVI or Global Alliance for Vaccines and Immunisation is engaged in funding vaccines for children in the world`s 70 poorest countries. WHO, UNICEF, the World Bank, the Bill and Melinda Gates Foundation are among those supporting GAVI`s mission.

Asked if the quality issue will dent the image of Indian vaccine makers, Berkley said ...that is certainly the worry. One of the reasons it is critical to have high quality because
India produces large quantity vaccines and at inexpensive price. Of course nobody has been harmed by these vaccines and issue is over quality control procedures.

India has emerged as a global supplier and leader in vaccine science, but, in vaccine field, quality is the key and quality control measures should meet the standards, he pointed
out and stressed on the role of Indian government and its National Regulatory Agency to ensure quality.

Stating that India's strong vaccine manufacturing capacity and quality was essential to the world and to the GAVI Alliance, he further said "It's clear that Indian manufacturers can produce vaccines that need high quality standards, appropriate to specific countries standards and at sustainable prices through reliable supplies."

ABCReacting to another query, he said "We do not purchase vaccine for the global market unless the vaccine manufacturers are pre-qualified by the WHO," he said adding one of the challenges is to make adequate investment to maintain quality.

He said they were working with range of suppliers in India and will have discussions with numerous companies over procurements during the event.

Earlier, speaking after being presented with the Genome Valley Excellence Awards 2012, Berkley appreciated the Indian efforts (government and people) for success in polio
eradication. The focus should be now on elimination of Measles. "It is important to deal with Measles and there has been intensification of campaign against Measles in India," he said.

He, however, said that "It`s really a shame that today India has more than one-third of the world`s unimmunised children. We clearly need to do better."

Vaccine science right now was at a very interesting and unprecedented juncture and there has been an explosion in vaccine R&D as the number of new vaccines in the pipeline is huge, he said.

"In the coming years, we hope to see vaccines against malaria and hopefully in the distant future against HIV, TB and dengue," he said.

Earlier, Andhra Pradesh Chief Minister N Kiran Kumar inaugurated the `BioAsia-2012`.

Sri Lanka`s Senior Minister for Science and Technology Tissa Vitarana were among those who spoke.

Over 250 companies and delegates from 35 countries are participating in the event.

Feb 11
Could a smartphone improve your mood? New mobile technology 'senses when you're depressed
Could a phone be smart enough to work out when we're suffering from depression?

According to researchers at Northwestern University, the answer is yes.

The very smart phone being developed by the scientists would work as a virtual therapist and sense the user's mood.
And it will even offer a cure. The phone would send a text message urging you to get out and do something to feel better.

By learning all the user's usual patterns, it can sense when he or she is isolated.
'We're trying to develop individual algorithms for each user that can determine specific states, so their location where they are, their activity, their social context, who they're with, what they're engaged in and their mood,' said psychologist David Mohr.

So if someone is stuck inside for days and feeling down, the 'Mobilyze!' phone could sense it.

'It can provide them an automated text message, or an automated phone call to make a suggestion to give somebody a call or get out of the house,' he added.

Tests on eight volunteers have shown the phone doctor has helped boost their moods.

'They all had a major depressive disorder when they started, and they were all both clinically and statistically better at the end of the treatment,' Dr Mohr told CBS.

'By prompting people to increase behaviours that are pleasurable or rewarding, we believe that Mobilyze! will improve mood,' said the Director of the new Center for Behavioral Intervention Technologies and a professor of preventive medicine at Northwestern's Feinberg School.

'It creates a positive feedback loop. Someone is encouraged to see friends, then enjoys himself and wants to do it again. Ruminating alone at home has the opposite effect and causes a downward spiral,' added.
Wider tests are planned this summer.

Feb 11
IIL developing vaccine for Chikungunya
Hyderabad-based vaccine manufacturer Indian Immunologicals Limited (IIL), a wholly-owned subsidiary of National Dairy Development Board, is developing a vaccine for Chikungunya.

"Currently, no vaccine is available for Chikungunya anywhere in the world. IIL is developing a vaccine for this disease using a virus strain isolated by a laboratory in the US," KV Balasubramaniam, managing director of IIL, said in a press release on Thursday.
For the for the first time in the country, IIL is also developing a live vaccine for Japanese Encephalitis virus (JEV) infection, by producing the virus in cell culture, instead of using mouse brain for growing the virus. The inactivated JEV vaccine is thus a safer one, he added.

Right now, both the vaccines are undergoing pre-clinical toxicology studies.

During the outbreak in 2006, over 7,4000 cases of Chikungunya were reported in Tamil Nadu and Orissa alone.

And, mortality is high for JEV infection too. In 2011, Uttar Pradesh reported over 5,000 cases of JEV with 376 deaths.

"We are expecting to enter human trials in the next six to 12 months and commercialise within 24-36 months. Once approved, the company intends to manufacture these products at its facility that is being constructed in Karakapatla on the outskirts of Hyderabad," said Ramesh Mathur, general manager (research and development).

With the mission of making biotechnology in healthcare affordable and accessible, IIL hopes to market these vaccines at highly affordable prices, the release said.

Indian Immunologicals is involved in research and development of conventional vaccines and new recombinant vaccines for infectious bacterial and viral diseases.

The company has several vaccines at various stages of development in its pipeline, the company said in the release.

Feb 10
Diabetes quadruples birth defects risk, say researchers
The risk of birth defects increases four-fold if the pregnant mother has diabetes, researchers say.

The Newcastle University study, published in the journal Diabetologia, analysed data from more than 400,000 pregnancies in North East England.

The risk of defects such as congenital heart disease and spina bifida were increased.

National guidelines already recommend having good control over blood sugar levels before trying to conceive.

Both Type 1 diabetes, which tends to appear in childhood, and Type 2 diabetes, often linked to diet, lead to problems controlling the amount of sugar in the blood.

This is known to cause problems in pregnancy, such as birth defects, miscarriage and the baby being overweight due to too much sugar.

There is concern that rising levels of diabetes, particularly Type 2, could make the issue worse.

Researchers analysed data from 401,149 pregnancies between 1996 and 2008 - 1,677 women had diabetes.

The risk of birth defects went from 19 in every 1,000 births for women without pre-existing diabetes to 72 in every 1,000 births for women with diabetes.

Their report said that sugar levels in the run-up to conception were the "most important" risk factor which could be controlled.

The lead researcher, Dr Ruth Bell from Newcastle University, told the BBC: "Many of these anomalies happen in the first four to six weeks."

She said the number of pregnancies with poor sugar control were "more than we would like".

"It is a problem when the pregnancy is not intended or when people are not aware they need to talk to their doctors before pregnancy," she said.

Guidelines from the National Institute of Health and Clinical Excellence say women should reduce their levels of glycated haemoglobin (HbA1c - a marker for long-term blood sugar control) to below 6.1% before trying to have a baby.

Feb 10
Superbugs unchecked in India: Report
A new report has claimed that about 100 - 200 million Indians might be carrying two lethal forms of superbug, haMRSA and caMRSA which are said to be resistant to all available antibiotics, except for one that has never been tried, due to its potentially deadly side effects.


The report came two years after the New Delhi metallo beta lactamase 1 (NDM 1) superbug was first detected in the country.

The report which states that India is responsible for the killer bacteria`s spread in England was published in the German news magazine Der Spiegel. Until now, no deaths have been reported due to these bacteria, but its also been found in Germany, the US, the UK and Israel.

The new superbugs, caMRSA and haMRSA, are metamorphosed forms of the MRSA bacteria and one of these strains attacks young, healthy people.

Dr Abhay Chowdhary, Director, Haffkines Research Institute, said, "The bacteria can spread through shared clothing or towels, or direct body contact, if a carrier has a cut, for example."

While the Indian Council of Medical Research is denying the serious threat, the British medical journal `The Lancet` has said that the new superbugs could spark off a "pandemic".

"MRSA is all over the world. In fact, such strains were initially reported from western hospitals and appeared much later in our settings. ICMR does not wish to enter into unnecessary arguments about speculative numbers," read an ICMR statement.

The crisis highlights that a tenth of India`s population could be carrying the fatal bacteria because of thriving indiscriminate overuse of antibiotics.

Feb 09
Nurses stir to be intensified
The United Nurses Association (UNA) is all set to intensify the ongoing protest at� Lakeshore Hospital, the organisation said in a press release.

From February 10, the organisation will hold a relay fast at Lakeshore Hospital here. UNA state president Jasmine Shah will hold an indefinite fast from February 14.

On the same day, the members of the organisation will take out a protest march to the residence of Dr Philip Augustine, the managing director of the hospital. On February 23, the organisation will take out a march to the IG Office in Ernakulam.

"The persons who attacked the nurses at Amrita Hospital have been released by the police and are back at the hospital. The march is to demand the arrest of these persons," the UNA president said.

Over one lakh nurses from the organisation will also send mass e-mails to the President, Prime Minister and UPA Chairperson Sonia Gandhi, urging them to withdraw the Padma Shri award given to Dr Augustine. Meanwhile, yet another round of talks between the Lakeshore Hospital management and the UNA failed to make any headway.

Feb 09
Facebook addiction explained: study shows psychophysiological arousal from social media
A recent study showed that social networks like Twitter and Facebook are potentially more addictive than cigarettes or alcohol, and now we may have an idea why. A group of scientists from MIT in Massachusetts, IULM University in Milan and two other laboratories in Italy found that people showed physical and psychophysiological responses while using Facebook similar to those exhibited by people while playing a musical instrument or engaging in other creative activities. Beyond wanting to use Facebook for obvious reasons such as keeping up with friends and sharing photos, people may actually be seeking out the chemical responses they experience while browsing social networks. Read on for more.

The team of scientists measured skin conductance, blood volume pulse, electroencephalogram, electromyography, respiratory activity and pupil dilation in 30 subjects as they viewed photos of nature, attempted to solve math problems and then as they browsed Facebook. The results showed a clear psychophysiological pattern.

"Statistical analysis of the psychophysiological data and pupil dilation indicates that the Facebook experience was significantly different from stress and relaxation on many linear and spectral indices of somatic activity," the group's report states. "Moreover, the biological signals revealed that Facebook use can evoke a psychophysiological state characterized by high positive valence and high arousal (Core Flow State)."

As a result, the scientists hypothesize that the rapid growth being seen among big social networks can be attributed at least in part to positive physical and psychophysiological responses users experience while browsing sites like Facebook.

Feb 08
How red wine keeps us healthy
A new wonder pill, capable of harnessing the health-boosting power of red wine may play a vital role in fighting a range of common illnesses, researchers say.

National Institutes of Health researchers and their colleagues have identified how resveratrol, a naturally occurring chemical found in red wine and other plant products, may confer its health benefits.

The authors have presented evidence that resveratrol does not directly activate sirtuin 1, a protein associated with aging.
Rather, the authors found that resveratrol inhibits certain types of proteins known as phosphodiesterases (PDEs), enzymes that help regulate cell energy.

These findings may help settle the debate regarding resveratrol's biochemistry and pave the way for resveratrol-based medicines.

The chemical has received significant interest from pharmaceutical companies for its potential to combat diabetes, inflammation, and cancer.

"Resveratrol has potential as a therapy for diverse diseases such as type 2 diabetes, Alzheimer's disease, and heart disease," said lead study author Jay H. Chung, M.D., Ph.D., chief of the Laboratory of Obesity and Aging Research at the NIH's National Heart, Lung, and Blood Institute.

"However, before researchers can transform resveratrol into a safe and effective medicine, they need to know exactly what it targets in cells."

Several previous studies suggested that resveratrol's primary target is sirtuin 1. Chung and colleagues suspected otherwise when they found that resveratrol activity required another protein called AMPK. This would not be the case if resveratrol directly interacted with sirtuin 1.

In this study, the researchers methodically traced out the metabolic activity in cells treated with resveratrol and identified PDE4 in the skeletal muscle as the principal target for the health benefits of resveratrol.

By inhibiting PDE4, resveratrol triggers a series of events in a cell, one of which indirectly activates sirtuin 1.

To confirm that resveratrol attaches to and inhibits PDE proteins, Chung's group gave mice rolipram, a drug known to inhibit PDE4. Rolipram reproduced all of the biochemical effects and health benefits of resveratrol, such as preventing diet-induced obesity, improving glucose tolerance, and increasing physical endurance.

Chung noted that because resveratrol in its natural form interacts with many proteins, not just PDEs, it may cause not-yet-known toxicities as a medicine, particularly with long-term use.

He added that the levels of resveratrol found in wine or foods are likely not high enough to produce significant health benefits or problems.

Convincing clinical studies in humans have used about 1 gm of resveratrol per day, roughly equal to the amount found in 667 bottles of red wine.

The study results also suggest that inhibitors of PDE4 may offer the benefits of resveratrol without the potential toxicities arising from resveratrol's interactions with other proteins.

One PDE4 inhibitor called roflumilast has already been approved by the FDA for the treatment of COPD (chronic obstructive pulmonary disease).

"This result underscores the need for careful, well-controlled studies to illuminate how these natural products operate," said Robert Balaban, Ph.D., director of the NHLBI Division of Intramural Research.

"As Dr. Chung's work suggests, the effects of resveratrol seem to be more complicated than originally thought. However, this new insight into the phosphodiesterases might prove an interesting avenue to pursue," Balaban added.

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