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News on Health & Science

Red Wine and Tea Can Help Regulate Your Blood Sugar

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Researchers have shown that red wine and tea may both hold promise for regulating the blood sugar of people with type 2 diabetes.

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Levels of blood glucose rise sharply in patients with type 2 diabetes immediately following a meal. Red wine and tea contain antioxidants that help to slow the passage of glucose through the small intestine and into the bloodstream, which can prevent the blood sugar spike.

Keeping blood sugar levels normal is one of the key challenges of managing diabetes; doing so can help prevent the disease from contributing to heart disease and high blood pressure as well as damaging the eyes, kidneys, nerves and blood vessels.

In the study, researchers tested how well wine and tea could inhibit the activity of a target enzyme called alpha-glucosidase, which is responsible for triggering the absorption of glucose by the small intestine.

Red wine came out on top, as it was able to inhibit the enzyme by nearly 100 percent, compared to white wine at 20 percent.

Out of the four types of tea tested — black, oolong, white and green — black tea was most effective, followed by white tea and oolong tea.
Sources:
Science Daily April 3, 2008
Journal of Food Biochemistry February 2008, Volume 32 Issue 1 Page 15-31

Categories
Ailmemts & Remedies

Ingrown Toenail

An ingrown toenail is a toenail that has grown into the skin instead of over it. This usually happens to the big toe, but it can also happen to other toes. An ingrown toenail can get infected. It may be painful, red, and swollen, and it may drain pus. See an illustration of an ingrown toenail….CLICK & SEE THE PICTURES
It occurs when a nail grows into the flesh at the side of the nail. This usually affects the toes, particularly the big toe. People with curved or thick nails are most likely to develop a problem with ingrown nails, although ingrown nails can affect anyone.

Anyone can get an ingrown toenail, but adults get them more than children do. People who have curved or thick nails are more likely to get an ingrown toenail. This is more common in older adults.

Causes:

An ingrown toenail can have a number of different causes. Cutting your toenail too short or rounding the edge of the nail can cause it to grow into the skin. Wearing shoes or socks that don’t fit well can also cause an ingrown toenail. If your shoes are too tight, they might press the nail into the toe and cause it to grow into the skin.

You can get an ingrown toenail if you hurt your toe, such as stubbing it. This can cause the nail to grow inward. Repeating an activity that injuries the nail, such as kicking a soccer ball, can also cause an ingrown nail.

Ingrown toenails result when the nail grows into the flesh of your toe, often the big toe. Common causes include:

  • Wearing shoes that crowd your toenails
  • Cutting your toenails too short or not straight across
  • Injury to your toenail
  • Unusually curved toenails
  • Thickening of your toenails

An ingrown toenail can result from curved toenails, poorly fitting shoes, toenails that are trimmed improperly, or a toe injury. The skin around the toenail may become red and infected. The great toe is usually affected, but any toenail can become ingrown.

The condition may become serious in people with diabetes.

Symptoms:

Signs and symptoms of an ingrown toenail include:

*Pain and tenderness in your toe along one or both sides of the nail
*Redness around your toenail
*Swelling of your toe around the nail
*Infection of the tissue around your toenail

Risk factors:

Anyone can develop an ingrown toenail. But you may be more prone to ingrown toenails if you have toenails that curve down.

Ingrown toenails are also more common in older adults, because nails tend to thicken with age. This thickening or change of the curvature of your nails can cause ingrown toenails.

Complications:

Left untreated or undetected, an ingrown toenail can infect the underlying bone and lead to a serious bone infection.

Complications can be especially severe if you have diabetes because the circulation and nerve supply to your feet can be impaired. Therefore, any relatively minor injury to your foot — cut, scrape, corn, callus or ingrown toenail — can lead to a more serious complication. In rare cases, an ingrown toenail can result in a difficult-to-heal open sore (foot ulcer), which could eventually require surgery. Foot ulcers left untreated may become infected and eventually even gangrenous. Rarely, amputation is the only treatment option.

Exams and Tests:
A doctor’s examination of the foot is sufficient to diagnose an ingrown toenail.

Treatment:

To treat an ingrown nail at home:

  1. Soak the foot in warm water.
  2. Use a nail file to separate the nail from the inflamed skin.
  3. Place a small piece of cotton under the nail. Wet the cotton with water or antiseptic.

Repeat those steps, several times a day if necessary, until the nail begins to grow out and the pain goes away. Also, trim the toenail and apply over-the-counter antibiotics. If this does not work and the ingrown nail gets worse, see a foot specialist (podiatrist) or skin specialist (dermatologist).

If steps you take at home don’t help, your doctor can treat an ingrown toenail by trimming or removing the ingrown portion of your nail to help relieve pain. Before this procedure, your doctor numbs your toe by injecting it with an anesthetic. After the procedure, you may need to rest your foot and soak it in warm water. Your doctor may also recommend using topical or oral antibiotics for ingrown toenail treatment, especially if the toe is infected or at risk of becoming infected.

For a recurrent ingrown toenail, your primary doctor or foot doctor may suggest removing a portion of your toenail along with the underlying tissue (nail bed) to prevent that part of your nail from growing back. This procedure can be done with a chemical, a laser or other methods.

Prognosis:
Treatment will generally control the infection and relieve pain. However, the condition is likely to return if measures to prevent it are not taken. Good foot care is important to prevent recurrence.

Prevention :

To prevent an ingrown toenail:

  • Wear shoes that fit properly.
  • Trim toenails straight across the top and not too short.
  • Keep the feet clean and dry.
  • People with diabetes should have routine foot exams and nail care.

Disclaimer: This information is not meant to be a substitute for professional medical advise or help. It is always best to consult with a Physician about serious health concerns. This information is in no way intended to diagnose or prescribe remedies.This is purely for educational purpose.

Resources:

http://www.revolutionhealth.com/articles/ingrown-nail/tp12748
http://www.mayoclinic.com/health/ingrown-toenails/DS00111/DSECTION=4
http://www.nlm.nih.gov/medlineplus/ency/article/001237.htm

Categories
News on Health & Science

A Step Forward

The Jaipur foot is now even better, thanks to a dedicated group of students from the Massachusetts Institute of Technology.

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Looking for a project to do in his third undergraduate year, Goutam Reddy was sure he would not do anything “fashionable”. He was studying electrical engineering and computer science at the Massachusetts Institute of Technology (MIT) in the US. “I wanted something that would find application in the developing world, not the next fast car,” he says.

Reddy grew up in Michigan State, but his parents were of Indian origin. During one of his visits to India, he came to know about the Jaipur foot, which was being fitted to patients by the Bhagwan Mahaveer Viklang Sahayata Samiti in New Delhi. He visited this organisation, trying to understand and improve the technology as part of his project. But he could not find anything to do immediately.

Anyone who sees the Jaipur foot being fitted to patients will never forget the experience. It was no different for Reddy. The Jaipur foot, developed in the 1970s by the late P.K. Sethi, an orthopaedic surgeon, and artisan Ram Chandra, is the one of the best options in the world if you lose your leg. It is lightweight and strong, made of easily available materials like rubber, and costs only $28. An artificial foot in the US would cost a few thousand dollars at least. It was popular among soldiers in war-ravaged countries like Afghanistan. Soldiers who lost their legs came to Jaipur to be fitted with this low-cost miracle. At least 250,000 of these have been fitted to poor people who have lost their legs.

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The Jaipur foot (above) gave Sudha Chandran(a great dancer) a new lease of life after she lost a leg in a 1981 accident.

Yet the Jaipur foot is far from perfect. Reddy realised that the manufacturing methods needed improvement. Several devices used in the Jaipur foot could be improved as well. This was expected, because they were still using techniques developed 30 years ago. If the knee is also amputated, as often happens, the patient will not be able to bend his or her leg — in this case, the artificial foot. This is a common problem with most low-cost artificial legs. Although he could not develop a project immediately, Reddy realised that he could improve the Jaipur foot sometime in the future. The fitting process, in particular, seemed in need of betterment.

The traditional way of fitting was to use plaster of paris moulds. A year and a half ago, the Centre for International Rehabilitation in Chicago developed a new process. This consisted of making the amputees put their leg inside sand and then applying a vacuum. The vacuum made the sand rock solid, and the resulting impression a perfect mould. The vacuum is created using an air compressor, and this necessitated the use of a generator. Reddy, along with other MIT students, found a way to eliminate this generator. They also gave a new name to the Samiti: the Jaipur Foot Organisation (JFO).

After Reddy finished his master’s degree at MIT, he set up a non-profit organisation called Developing World Prosthetics. Other MIT students also joined him. These students were also studying engineering at MIT, and they chose improving the Jaipur foot as their undergraduate project. Some of them travelled to India — using a grant from MIT’s public Service Centre and a $7,500 prize from a competition — to work on this. Finally, they developed a method using a cycle pump and human power to generate a vacuum in the fitting process. The students returned with a better perspective of the developing world. “I want to work on developing world prosthetic projects,” says Philip Garcia, one of the students.

Meanwhile, Reddy has initiated a course at MIT on wheelchair design in developing countries. He remains deeply interested in robotic prosthetics, and in improving the Jaipur foot farther. Members of the JFO rarely get the time to improve the original invention. “Our primary aim is to make and fit the foot,” says Sanjeev Kumar, manager of the Delhi branch of the JFO. Reddy and his organisation will now attempt this task.

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The dancer enthralls her audience in the hugely popular TV show Jhalak dikhla ja

For example, they are trying to improve the sand-casting system for adoption in rural areas. Another project is to improve the flexibility of the device. If the Jaipur foot is fitted above the knee, the patient has to walk with a straight leg — they can bend the “knee” only when they want to sit. The MIT students and Developing World Prosthetics are now working on this problem. The spring session at MIT has a course on developing world prosthetics, and solving the straight knee problem will be one of their primary tasks.

SourcesL : The Telegraph (Kolkata, India)

Categories
News on Health & Science

Smoke Signals

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Facebook has many uses, but scientific research is not usually considered to be one of them. However, this social networking site, immensely popular among young people, helped Canadian researchers track children who were part of a study five years ago. The study was on nicotine dependence among school children. As they followed the habit once again among the teenagers, the scientists gained two valuable insights on smoking and adolescents — first, that smoking does not make girls thin and, second, that it makes boys shorter. Both findings contradicted common perceptions about smoking in North America, and probably in the rest of the world as well.

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Researchers have been looking at smoking in children and adolescents for some time now, because tobacco addiction generally starts somewhere in high school or early university life. By global standards, the problem is not very serious in North America, which has seen a decline in smoking over the years. In fact, the World Health Organization lists India as one of the nations with a high prevalence of smoking among the young, along with Central and Eastern Europe and some Pacific Islands. However, smoking does start early sometimes in North America, as in India and other parts of the world. And misconceptions about smoking are often a strong motivation to start tobacco use.

As a young girl, Jennifer ’ Loughlin had heard about smoking and weight control early in life. “Smoking will make you thin,” she was told by many while she was growing up. Now as an epidemiologist and biostatistician at the University of Montreal, she has been studying the natural history of nicotine dependence. A few years ago, she had found compelling evidence for a genetic role in the development of nicotine dependence among teenagers. Now her study, done with colleagues in other Canadian institutions, debunks a popular myth: that smoking is good for weight control among girls.

As she had known always, girls in North America often cite this as a reason to start smoking. This finding should thus be a strong deterrent, but what the scientists found among boys was even more interesting. Boys who smoked regularly grew up to be an inch shorter. Since growing tall is one of the ambitions of adolescent boys, this finding should be an even stronger deterrent to smoking among boys. Says ’ Loughlin: “Boys now may see smoking as a bad choice if they want to grow tall.”

Smoking among children and adolescents has received considerable attention among scientists of various disciplines. Most of these studies did not provide any conclusive evidence of why adolescents smoked or how smoking affects them. For example, a part of the Global Youth Tobacco Survey in Punjab in 2003 got conflicting results regarding motivations. The participants said that boys or girls who smoke have more friends. But they also said that those who smoke are less attractive.

Three years ago, scientists at the Yale University studied all the research literature on smoking and weight concerns among teenagers. They found that a significant number of teenage girls believed smoking was a way of weight control, but they did not find any relationship in practice. On the other hand, heavier boys reduced their body mass index when they smoked. Girls who smoked more cigarettes were more concerned about gaining weight after they quit, which provided a strong motivation to continue smoking.

’ Loughlin had started studying smoking in children in 1999. She had funding from the Canadian Cancer Society. She followed a cohort of students in high school for five years. “Children in North America generally start smoking at the age of 12,” she says. “Some start even at eight.” She had then found a possible genetic link, a predisposition that makes some pick up the habit when exposed to it.

A few years later, she wanted to follow these students again. There were 1,300 of them, and many of them had gone away from where they originally lived. But the scientists managed to trace every one of them. “We used Facebook heavily to trace the students,” says ’ Loughlin. She had a grant of $650 million, again from the Canadian Cancer Society. The results of the study provided compelling evidence of smoking and height and weight among children aged between 12 and 17. Girls do not shed weight when they smoked. Boys shed height when they did.

While common sense says that smoking should not cause any difference in weight, the decrease in height is more intriguing. The study found that boys who smoked 10 cigarettes a day from the age 12 to 17 would be an inch shorter than a boy who did not smoke. This was not true of girls, probably because boys attain full height a few years later than girls do. Why does this happen? There is no clear answer, but we can hazard a guess. Maybe nicotine deprives the body of oxygen. Maybe it somehow affects the growth hormones. Whatever the reason is, the message is loud and clear.

Sources: The Telegraph (Kolkata,India)

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News on Health & Science

Exercise During Pregnancy Means a Healthier Heart for Both Mom and Baby

Exercise is good not only for mothers-to-be, but also for their developing babies, according to a new study by researchers from Kansas City University of Medicine and Biosciences.

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Maternal exercise during pregnancy may have a beneficial effect on fetal cardiac programming by reducing fetal heart rate and increasing heart rate variability. Researchers studied fetal heart rates with magnetocardiography (MCG), a safe, non-invasive method used to record the magnetic field surrounding the electrical currents generated by the fetal heart and nervous system.

There were significantly lower heart rates among fetuses that had been exposed to maternal exercise. The heart rates among non-exposed fetuses were higher, regardless of the fetal activity or the gestational age.

The researchers concluded that exercising during pregnancy can benefit a mother’s own heart and her developing baby’s heart as well.
Sources:
Science Daily April 10, 2008
121st annual meeting of the American Physiological Society April 5-9, 2008, San Diego, CA

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