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  1. #2351
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    Re: Health Bulletin

    Period pain as bad as heart attack: But do we really care?

    Almost every woman experiences menstrual cramps from time to time. Men don't get it, yet, doctors have ignore it thinking that pain is something to tolerate as normal.

    But, now a new research has suggested that period pain can be as “bad as having a heart attack”.

    A recent article by Olivia Goldhill at Quartz reveals that the mechanisms behind menstrual cramps are poorly understood and for some unknown reasons, the topic remains under-researched, the Independent reported.

    John Guillebaud, professor of reproductive health at University College London, said menstrual cramping can be as “bad as having a heart attack”.

    Guillebaud believes that the dismissive attitude toward menstrual cramps exists in both male and female physicians. He said that on the one hand, men don't suffer the pain and underestimate how much it is or can be in some women and on the other hand, some women doctors can be a bit unsympathetic because either they don't get it themselves or if they do get it they think, "Well I can live with it, so can my patient."

    Dysmenorrhea, the scientific term for painful periods, has no definitive medical origin, with one of its causes being endometriosis, wherein tissue normally lining the uterus is found on the pelvis, fallopian tubes or ovaries.

    Untreated endometriosis can cause infertility. Richard Legro from Penn State College of Medicine said that the "million dollar question" is why some women suffer more from period pain than others.

    According to the American Academy of Family Physicians, period pain affects the lives of around one in five women.


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  2. #2352
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    Re: Health Bulletin

    Half the world's people to become myopic by 2050, says study

    Nearly five billion people, that is about half the world's population, are poised to become myopic or short-sighted by the end of 2050, indicates a study.





    Also called nearsightedness, myopia is a vision condition in which people can see clearly the objects that are close to eyes but objects far away appear to be blurred to the sight.


    Acting like a silent epidemic, myopia is all set to become the leading cause of permanent blindness globally

    With up to one billion people at an increased risk of blindness, myopia is all set to become the leading cause of permanent blindness globally.





    Further, with the findings suggesting that the US will have 260 million myopes by 2050, up from the 90 million in 2000, and Canada will see 66 million high myopes by 2050, up from the 11 million in 2000, the vision loss from high myopia is expected to increase seven-fold from 2000 to 2050.


    The rapid increase in the prevalence of myopia globally is attributed to "environmental factors, lifestyle changes resulting from a combination of decreased time outdoors and increased near work activities, among other factors", said the researchers.


    Parents need to ensure that the children's eyes are regularly checked, improve time outdoors and moderate time on near based activities, including electronic devices.


    Also, comprehensive eye care services is needed to check the rapid increase in high myopes, along with the development of treatments to control the progression of myopia and prevent people from becoming highly myopic, the researchers suggested in the study published in the journal Ophthalmology revealed.


    "We also need to ensure our children receive a regular eye examination from an optometrist or ophthalmologist, preferably each year, so that preventative strategies can be employed if they are at risk," said Kovin Naidoo, a professor at the University of New South Wales in Australia.


  3. #2353
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    Re: Health Bulletin

    Stanford comes with cheap blood test to detect TB

    A blood test devised by Stanford University's researchers could emerge as the easiest and cheapest way to diagnose active tuberculosis, which kills 1.5 million people every year. They have identified a gene expression that distinguishes patients with active tuberculosis from those with either latent tuberculosis or other diseases, said a research paper published online in Lancet Respiratory Medicine journal.

    TB infects 9.6 million new patients across the world each year and kills 1.5 million. In India, two TB patients die every three minutes.

    ""One-third of the world's population is currently infected with TB. Even if only 10 % of them get active TB, that's still 3 % of the world's population __ 240 million people,"" a press release put out by Stanford University quoted the paper's author Purvesh Khatri as saying.

    Traditionally, TB is diagnosed by spotting disease-causing bacterium in sputum samples coughed up by patients. But it's not possible for some patients, especially pediatric ones, to produce sputum on demand, said research associate Tim Sweeney. The sputum test is helpful for monitoring how patients respond to treatment. Moreover, as people start to get better, they can't produce sputum for the test.

    The new test developed in the Khatri lab works on an ordinary blood sample and removes the need to collect sputum. It can signal a TB infection even if the individual also has HIV. And it won't give a positive response if someone only has latent TB or has had a TB vaccine. It also doesn't matter which strain of TB has infected a person, or even if it has evolved resistance to antibiotic drugs. The test works in both adults and children,'' said the press release.


  4. #2354
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    Re: Health Bulletin

    Researchers develop portable device that can detect Ebola, other diseases

    Researchers have developed a low-cost and portable diagnostic device that can be used to detect Ebola infection and many other diseases.

    The device could be particularly useful to monitor endemic, epidemic and pandemic disease outbreaks in resource-limited developing countries that need portable diagnostic equipment that functions outside the hospital.

    "The platform will lead the development of new kinds of tests to meet the increasing demand for on-site diagnostic testing. It will prove very useful for medical staff working in resource-limited regions," said study's lead author Francesco Piraino from the Swiss Federal Institute of Technology in Lausanne (EPFL) in Switzerland.

    Over the past several years, microfluidic devices - that can rapidly detect a number of different biomarkers in very small quantities of blood -- have shown extraordinary potential in the area of diagnostics.

    They are composed of silicone rubber with minuscule channels the width of a hair.

    The new microfluidic portable device runs on battery power and is completely self-sustained. It operates seamlessly with inexpensive microscopes and provides very high levels of accuracy and detection.

    The platform, which is described in the journal ACS Nano, can quantify up to 16 different molecules - or biomarkers - in a tiny amount of blood.

    The device is unique in that it is composed of both analog and digital detection mechanisms, while conventional devices hitherto only integrated one or the other.

    Using these two detection mechanisms simultaneously, the composition of a drop of blood can be thoroughly analysed in a short amount of time, the researchers explained.
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    The analysis provides precious medical information. It could help doctors make an early diagnosis or determine the stage of a disease.


    Initial testing has been successfully carried out on a sample containing anti-Ebola antibodies, which indicate the presence of the virus in both symptomatic and asymptomatic patients.


    The device could potentially work with a large number of other protein biomarkers and molecules, the study said.


  5. #2355
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    Re: Health Bulletin

    Urological cancers on the rise in India

    While oral cancer is the most common cancer among Indian men, experts at an international symposium held in Mumbai over the weekend pointed out that cases of urological cancers too are on the rise in the country.

    "Cases of urological cancers, especially prostate cancer, are on a rise in India,'' said Dr Gustad Daver, who is the medical director of Sir H N Reliance Foundation Hospital in Mumbai, while reeling off statistics from the Indian Council of Medical Research. He said in ICMR's Mumbai data showed that prostate cancer affects 7.5 in every one lakh men while urinary bladder cancer affects 3.9 men and one women in every lakh population in the city. The peak age for such cancers is 50 to 70 years and the most common risk factors are smoking, obesity, hypertension & long-term dialysis,'' said Dr Daver during an two-day urological conference held in the hospital.

    The key to reducing morbidity and mortality is, he said, early detection'' and definitive surgery''. In this context, experts speaking at the symposium highlighted how robotic surgery had revolutionized minimal access surgery in the field of urology.

    Visiting surgeon Dr Inderbir Gil from the University of Southern California, Los Angeles, said, "The inception of surgical robots took place to overcome the hurdles and shortcomings of conventional surgical technology. A technique like radical cystectomy is the gold standard treatment for prostate cancer and muscle invasive bladder cancer. The benefits of minimally invasive surgery have been extended to the management of this disease."


  6. #2356
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    Re: Health Bulletin

    Dengue vaccination starts in the Philippines

    French vaccine-maker Sanofi Pasteur on Monday announced that vaccinations with Dengvaxia-the first vaccine approved for the prevention of dengue-- have commenced in the Philippines.

    India which witnessed the largest incidence of dengue - 97,740 cases and 200 deaths were reported across India in 2015 - will have to wait longer for the vaccines.

    In mid-January, media reports indicated that a committee of the Drug Controller General of India exempted Sanofi from carrying out large-scale clinical trial for its dengue vaccine in India. The company has now reportedly been recommended to conduct Phase IV clinical trial in a time-bound manner in India.

    Many vaccine manufacturers, including those in India, are in various stages of clinical trials of their dengue vaccine-candidate. The Sanofi vaccine is the first to get an approval.

    It has been approved for use in Mexico and Brazil, apart from the Philippines. It is a tetravalent dengue vaccine that can reportedly prevent disease caused by all four dengue types in individuals from 9-45 years of age living in endemic areas. It hasn't yet been cleared for use among children below nine years of age. The vaccine is administered in three doses given over a one-year period, said a press release sent out by Sanofi Pasteur on Monday.

    Sanofi Pasteur is introducing Dengvaxia first in endemic countries like the Philippines where the vaccine has the greatest potential to reduce dengue burden globally and help these countries to achieve the World Health Organization's goal to reduce dengue mortality by 50% and morbidity by 25% by 2020 in endemic countries,'' the release added.


  7. #2357
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    Re: Health Bulletin

    சாக்லெட் சாப்பிட்டால் அறிவாற்றல் அதிகரிக்கும்: ஆய்வில் தகவல்


    அதிகம் சாக்லெட் சாப்பிடுவதால் அறிவாற்றல் பணிகளை சிறப்பாக செயல்பட உதவும் என்று சமீபத்தில் மேற்கொள்ளப்பட்ட ஆய்வில் தெரியவந்துள்ளது.

    தெற்கு ஆஸ்திரேலியப் பல்கலைக்கழகம், அமெரிக்காவைச் சேர்ந்த மேய்ன் பல்கலைக்கழகம், லக்ஸம்பர்க் மருத்துவக் கல்லூரி ஆகியவை இணைந்து சாக்லெட் சாப்பிடுவதால் மூளையில் ஏற்படும் ஆய்வை மேற்கொண்டன. 23 முதல் 98 வரையிலான வயது கொண்ட 1000 பேரிடம் இந்த ஆய்வு மேற்கொள்ளப்பட்டது.

    சாக்லெட் உண்பதால் அவர்களது மூளையில் ஏற்படும் மாற்றங்களை அளவிட, அந்த 1000 பேரும் பல்வேறு வகையான அறிவுத் திறன் பரிசோதனைகளுக்கு உட்படுத்தப்பட்டார்கள். அந்தப் பரிசோதனைகளில், வரத்திற்கு ஒருமுறையோ அல்லது அதற்கு மேலோ சாக்லெட் சாப்பிடுவதால் வடிவங்களைப் புரிந்து கொள்ளும் ஆற்றல், உடனடி நினைவாற்றல், பரிசோதித்தல், சிறந்த தீர்வு காணுதல் போன்ற மூளையின் பல்வேறு செயல்பாடுகளில் முன்னேற்றம் ஏற்படுவது கண்டறியப்பட்டது.

    இதற்கு முன்பு மேற்கொள்ளப்பட்ட ஆய்வுகளில் சாக்லெட்டால் இதய நாளங்களுக்கு ஏற்படும் பலன்கள் குறித்து ஏற்கெனவே பல தகவல்கள் வெளிவந்துள்ள நிலையில் தற்போது சாக்லெட் சாப்பிட்டால் அறிவாற்றல் அதிகரிக்கும் என்ற தகவல் சாக்லேட் பிரியர்களுக்கு மகிழ்ச்சியை அளித்துள்ளது.

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  8. #2358
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    Re: Health Bulletin

    கோடை துவங்கும் முன் சின்னம்மை தாக்கம் தீவிரம்

    கோடை வெயில் தீவிரம் அடையும் முன்னரே, 'சிக்கன் பாக்ஸ்' எனப்படும், சின்னம்மை நோயின் தாக்கம், தமிழகத்தில் பரவலாக துவங்கி உள்ளது. வரும் நாட்களில், இதன் தாக்கம் மேலும் அதிகரிக்கும் என்பதால், மக்கள் விழிப்போடு இருக்க வேண்டும் என, தெரிவிக்கப்பட்டுள்ளது.

    கோடை காலத்தில், சின்னம்மை பாதிப்பு ஏற்படுவது வழக்கம். ஏப்ரல், மே மற்றும் ஜூனில் தான் இந்த பாதிப்பு ஏற்படும்.ஆனால், நடப்பு ஆண்டில் கோடை துவங்குவதற்கு, ஒரு மாதத்திற்கு முன்னரே, தமிழகம் முழுவதும் சின்னம்மை நோயின் தாக்கம் தொடங்கி விட்டது. குழந்தைகளை மட்டுமின்றி, வயதானவர்களையும் தாக்குகிறது.வழக்கத்தை விட, கொப்பளங்கள் பெரிதாக வருகின்றன. புண் போல மாறி, குணமாக, இரண்டு வாரங்கள் வரையாவதால், மக்களிடம் அச்சத்தை ஏற்படுத்தி உள்ளது.

    என்ன மாத்திரை சாப்பிடலாம்?

    பொது சுகாதாரத்துறை அதிகாரிகள் கூறியதாவது:தமிழகத்தின் பல பகுதிகளில், சின்னம்மை பாதிப்பு உள்ளது. பாதிக்கப்பட்டோர் தும்மினாலும், இருமினாலும், வைரஸ் கிருமிகள் காற்றில் பரவும் என்பதால், பாதிக்கப்பட்டோரை தனிமைப்படுத்துவது நல்லது; அவர்கள் பயன்படுத்திய பொருட்களை பயன்படுத்த வேண்டாம். ஒரு வாரத்தில் குணமாகி விடும். நோய் தடுப்புக்கு, 'ஏ சைக்ளோவீர்' மாத்திரைகள் எடுத்துக் கொள்ளலாம்; இது, 'ஆயின்மென்ட்'டாகவும் கிடைக்கிறது; புண்கள் மீது தடவினால், உடலில் தழும்பு ஏற்படாது. இவ்வாறு அவர்கள் கூறினர்.


    தப்ப என்ன வழி?
    ● கோடை காலத்தில், அதிக காரம், புளிப்பு சேர்த்த உணவுகளை தவிர்க்க வேண்டும்
    ● வீடு காற்றோட்டமாக இருக்க, ஜன்னல்களை திறந்து வைக்க வேண்டும்
    ● வீட்டில் குப்பைகள் சேராமல், சுத்தமாக வைத்திருப்பது மிக அவசியம்
    ● பழம், ஜூஸ், மோர் போன்ற நீர் ஆகாரங்களை, உணவில் அதிகம் சேர்த்து கொள்ள வேண்டும்; காய்ச்சல் இருந்தால் பழம் வேண்டாம்
    ● அசைவ உணவுகளை முடிந்த அளவு தவிர்ப்பது நல்லது; காய்கறி, கீரை வகைகளை அதிகமாக சேர்க்க வேண்டும்
    ● பிறந்த மூன்று மாதத்தில், குழந்தைகளுக்கு முறையான தடுப்பூசி கட்டாயம் போட வேண்டும். இதுவரை போடவில்லை என்றால், உடனே போடுங்கள்.

    வைரஸ் உருவாக காரணம் என்ன?

    கோடை வெப்பத் தால், சுற்றுச்சூழல் சரியில்லாத பகுதிகளில் குவிந்துள்ள குப்பை மற்றும் கழிவுகளில் வாழும் பல கிருமிகள் உயிர் பெற்று, காற்று மூலம் பரவுகின்றன. இதில், ஒன்றான, 'வெரிசில்லா ஜோஸ்டர்' கிருமி தான், சின்னம்மை தாக்கத்துக்கு காரணம்.


  9. #2359
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    Re: Health Bulletin

    Chinese scientists isolate two Zika virus strains

    Chinese scientists have successfully isolated two Zika virus strains, which will assist research into a possible vaccination and the transmission pattern of the mosquito-borne disease that has triggered a global health emergency.

    The two strains were isolated from blood and urine samples from two patients, state-run Xinhua news agency reported on Thursday.

    The urine test was the first successful isolation from a sample such as that, according to the Academy of Military Medical Sciences and Guangzhou No. 8 People's Hospital.

    With five confirmed imported Zika virus cases and the weather beginning to warm up across the country, China is on high alert.

    The isolation can help scientists study the transmission pattern of the virus while provide a foundation for the invention of reagent and vaccine.
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    Chinese scientists have announced on Monday they had decoded the gene sequence of the first imported Zika virus.


    The World Health Organization has declared a global health emergency over the Zika virus and its suspected links to birth defects.


    The virus has been reported in at least 34 countries, many of them in Central and Latin America. WHO and the US Centers for Disease Control and Prevention have advised pregnant women to consider delaying travel to Zika-infected countries.


    Zika virus is spread by the Aedes aegypti mosquito, which also carries dengue fever and yellow fever.


    The disease was first discovered in Africa in the 1940s but is now spreading in Latin America. Scientists say there is growing evidence of Zika's links to microcephaly, that leads to babies being born with small heads.


  10. #2360
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    Re: Health Bulletin

    Pancreatic cancer identified as 4 different diseases

    A recent research has identified that pancreatic cancer is not one, but four diseases, each with different genetic triggers and survival rates, paving the way for more accurate diagnoses and treatments.

    The University of Melbourne findings also include 10 genetic pathways at the core of transforming normal pancreatic tissue into cancerous tumours. Some of these processes are related to bladder and lung cancers, opening up the possibility of using treatments for these cancers to also treat pancreatic cancer.

    Over seven years, scientists analysed the genomes of 456 pancreatic tumours to determine the core processes that are damaged when normal pancreatic tissues change into aggressive cancers.

    Researcher Sean Grimmond said there was an urgent need for more knowledge about the genetic causes of pancreatic cancer, with most patients only living a few months after diagnosis and the condition predicted to become the second most common cancer in Western countries within a decade.

    Grimmond said that they identified 32 genes from 10 genetic pathways that are consistently mutated in pancreatic tumours, but further analysis of gene activity revealed four distinct subtypes of tumours. This study demonstrates that pancreatic cancer is better considered as four separate diseases, with different survival rates, treatments and underlying genetics.


    He added that knowing which subtype a patient has would allow a doctor to provide a more accurate prognosis and treatment recommendations.


    Importantly Grimmond said there are already cancer drugs, and drugs in development, that can potentially target the parts of the 'damaged machinery' driving pancreatic cancers to start.


    The study is published on Thursday in the international journal Nature.


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