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Tuesday, August 16, 2011

Ulcer


"If you guys don't stop yelling, you'll give me an ulcer!"
"There's been so much stress at work lately, I'm sure I'll get an ulcer."
"Don't worry so much. Do you want an ulcer?"
When people talk like this, it sounds like ulcers are easy to give and easy to get. It also sounds like stress is to blame. But is that the real story?

What Is an Ulcer?


An ulcer is a sore, which means it's an open, painful wound.Peptic ulcers are ulcers that form in the stomach or the upper part of the small intestine, called the duodenum (pronounced: doo-uh-dee-num).Peptic ulcers are actually very common.

What Causes an Ulcer?

For almost 100 years, doctors believed that stress, spicy foods, and alcohol caused most ulcers. Now we know that most peptic ulcers are caused by a particular bacterial infection in the stomach and upper intestine, by certain medications, or by smoking.
In 1982, two doctors — Barry Marshall and Robin Warren — discovered a certain kind of bacteria that can live and grow in the stomach. Both doctors went on to win the Nobel Prize for their discovery. The medical name for these bacteria is Helicobacter pylori (or H. pylori, for short). Today doctors know that most peptic ulcers are caused by an infection from H. pylori.
Experts believe that 90% of all people with ulcers are infected with H. pylori. But strangely enough, most people infected with H. pylori don't develop an ulcer. Doctors aren't completely sure why, but think it may partly depend upon the individual person — for example, those who develop ulcers may already have a problem with the lining of their stomachs.
It's also thought that some people may naturally secrete more stomach acid than others — and it doesn't matter what stresses they're exposed to or what foods they eat. Peptic ulcers may have something to do with the combination of H. pylori infection and the level of acid in the stomach.
The direct cause of peptic ulcers is the destruction of the gastric or intestinal mucosal lining of the stomach by hydrochloric acid, an acid normally present in the digestive juices of the stomach. Infection with the bacterium Helicobacter pylori is thought to play an important role in causing both gastric and duodenal ulcers. Helicobacter pylori may be transmitted from person to person through contaminated food and water. Antibiotics are the most effective treatment for Helicobacter pylori peptic ulcers.
Injury of the gastric mucosal lining, and weakening of the mucous defenses are also responsible for gastric ulcers. Excess secretion of hydrochloric acid, genetic predisposition, and psychological stress are important contributing factors in the formation and worsening of duodenal ulcers.
Another major cause of ulcers is the chronic use of anti-inflammatory medications, such as aspirin. Cigarette smoking is also an important cause of ulcer formation and ulcer treatment failure.

How Ulcers Form


When H. pylori bacteria do cause ulcers, here's how doctors think it happens:
  1. Bacteria weaken the protective coating of the stomach and upper small intestine.
  2. Acid in the stomach then gets through to the sensitive tissues lining the digestive system underneath.
  3. Acid and bacteria directly irritate this lining resulting in sores, or ulcers.
Although H. pylori are responsible for most cases of peptic ulcers, these ulcers can happen for other reasons, too. Some people regularly take pain relievers known as nonsteroidal anti-inflammatory drugs (NSAIDs), such as aspirin or ibuprofen, that fight inflammation in the body and are used to treat long-term painful conditions like arthritis. If taken in high daily doses over a long period of time, NSAIDs can cause ulcers in some people.
Smoking also is associated with peptic ulcers. Smoking increases someone's risk of getting an ulcer because the nicotine in cigarettes causes the stomach to produce more acid. Drinking a lot of alcohol each day for a period of time can also increase a person's risk of ulcers because over time alcohol can wear down the lining of the stomach and intestines.
In certain circumstances stress can help cause ulcers. But this usually only happens when illness involving severe emotional or physical stress is involved — such as when someone too sick to eat for a long period of time.
Ulcers occur because of uncontrolled increased acid production in the stomach and changes in the immune system (the body system that fights infection). With any illness where the body's ability to heal is challenged (such as when someone has serious burns from a fire), there is a risk for developing ulcers.

Signs and Symptoms


Stomach pain is the most common symptom of an ulcer. It usually feels like sharp aches between the breastbone and the belly button. This pain often comes a few hours after eating. It can also happen during the night or early in the morning, when the stomach is empty. Eating something or taking an antacid medication sometimes makes the pain go away for awhile.
Other symptoms of ulcers can include:
  • loss of appetite
  • sudden, sharp stomach pains
  • nausea
  • frequent burping or hiccuping
  • weight loss
  • vomiting (if blood is in the vomit or the vomit looks like coffee grounds, which only happens with severe ulcers, call a doctor right away)
  • bloody or blackish bowel movements (this could indicate a serious problem, so call a doctor right away if you see this)
Anyone who thinks he or she may have an ulcer needs to see a doctor. Over time, untreated ulcers grow larger and deeper and can lead to other problems, such as bleeding in the digestive system or a hole in the wall of the stomach or duodenum, which can make someone very sick.
Stomach Ulcers may be a symptom of another disease or condition. Stomach ulcers are often common in mastocytosis. Bleeding from stomach ulcers may cause iron deficiency anemia.



How Are Ulcers Diagnosed?

In addition to doing a physical examination, the doctor will take a medical history by asking about any concerns and symptoms you have, your past health, your family's health, any medications you're taking, any allergies you may have, and other issues. If you have stomach pain or other symptoms of an ulcer, the doctor will perform some tests to help make the diagnosis.
One test is called an upper gastrointestinal (GI) series. This is a type of X-ray of the stomach, duodenum, and esophagus, the muscular tube that links the mouth to the stomach. A person drinks a whitish liquid called barium while getting an X-ray, and if he or she has an ulcer, it should be outlined on the X-ray.
Another common procedure to look for an ulcer is called anendoscopy (pronounced: en-dass-kuh-pee). During this test, the doctor uses an endoscope, a skinny, lighted tube with a special camera on the end.
A person getting an endoscopy is given anesthesia and will have no memory of the procedure. For an endoscopy, the doctor gently guides the endoscope into the throat and down into the esophagus, and finally into the stomach and upper intestines. The doctor is able to look at the inner lining of these organs from the camera on a television screen and can even take pictures. Tissue can be removed during an endoscopy and then tested for H. pyloribacteria.
A doctor can also do a blood test for H. pylori bacteria. This may be important if an ulcer is found in the upper GI series. The blood test can be done right in the doctor's office. Sometimes a bowel movement or a person's breath can also be specially tested to check for the H. pylori bacteria.

How Are Ulcers Treated?

Ulcers caused by H. pylori bacteria are generally treated with a combination of medications:
  • Usually two antibiotics to kill the H. pylori bacteria are taken every day for about 2 weeks.
  • Antacids — acid blockers or proton pump inhibitors — are given for 2 months or longer to lessen the amount of acid in the stomach and help protect the lining of the stomach so the ulcer can heal.

Ulcer Prevention

Doctors are not totally certain how H. pylori bacteria are transmitted from person to person. The bacteria have been found in saliva, so kissing may be one way. They also may be spread through food, water, or contact with vomit (puke) that has been infected with the bacteria.
The best advice in ulcer prevention is to always wash your hands after you use the bathroom and before you eat and to take good care of your body by exercising regularly and not smoking or drinking.
Reviewed by: Michael K. Davis, MD



Foot and leg ulcers

Ulcers are breaks in the layers of the skin that fail to heal. They may be accompanied by inflammation.
Sometimes they don't heal and become chronic. Chronic foot and leg ulcers mainly affect the elderly.
People with diabetes are at special risk of developing foot ulcers, and foot care is an important part of diabetes management.

What causes ulceration?

The most common cause of chronic leg ulcers is poor blood circulation in the legs. These are known as arterial and venous leg ulcers.
Other causes include:
  • injuries - traumatic ulcers
  • diabetes - because of poor blood circulation or loss of sensation (nerve damage) resulting in pressure ulcers
  • certain skin conditions
  • vascular diseases (stroke, angina, heart attack)
  • tumours
  • infections.

Arterial leg ulcers

Approximately 10 per cent of all leg ulcers are arterial ulcers.
Feet and legs often feel cold and may have a whitish or bluish, shiny appearance.
Arterial leg ulcers can be painful. Pain often increases when your legs are at rest and elevated.
You can reduce pain by sitting on the edge of the bed with your feet on the floor. Gravity will then cause more blood to flow into your legs.

What causes arterial leg ulcers?


The used blood, which now contains carbon dioxide and other by-products, is carried via the veins from the tissues back to the heart.Arteries are the tubes that carry blood from the heart to the body's tissues. The tissues receive oxygen and nutrients from the blood.
Arterial leg ulcers are caused by poor blood circulation as a result of narrowed arteries. They are also caused by damage to the small blood vessels from long-standing diabetes.
Diabetes also increases the likelihood of atherosclerosis (narrowing of the arteries). This means people with diabetes have a much increased risk of developing arterial ulcers.

What can trigger or worsen arterial leg ulcers?

What can I do to prevent arterial leg ulcers?

Stop smoking and lose weight if you are overweight. Reduce the amount of fat in your diet and eat more fruit and vegetables.

Exercise as much as possible. By exercising, you force your blood vessels to form new branches, improving the blood circulation in your legs.
It's fine if your legs hurt a little when you exercise, but it mustn't make you feel unwell.
Try this exercise while sitting down: move your feet around in circles, then up and down. This activates the venous pump. It's also helps people with venous leg ulcers.
Take good care of your feet:
  • make sure shoes fit correctly and are not too small.
  • keep your feet warm and try to avoid injuries to your feet and legs.
  • examine your feet and legs daily for any changes in colour or the development of sores.
  • visit a chiropodist regularly


Apthous Ulcers (Mouth Ulcers)-RAD

Apthous Ulcers (Mouth Ulcers)
Aphthous ulcers are ulcers that form on the mucous membranes of the mouth or oral cavity. Aphthous ulcers are typically recurrent round or oval sores or ulcers that occur inside the mouth .Aphthous mouth ulcers are very painful sores that can occur anywhere inside the mouth. At least 1 in 5 people develop aphthous mouth ulcers at some stage in their life.
There are three types:
• Minor aphthous ulcers are the most common they are small, round, or oval, and are less than 10 mm across. They look pale yellow, but the area around them may look swollen and red. Only one ulcer may develop, but up to five may appear at the same time. Each ulcer lasts 7-10 days, and then goes without leaving a scar. They are painful.
• Major aphthous ulcers these are 10 mm or larger. Usually only one or two appear at a time. Each ulcer lasts from two weeks to several months, and then goes but leaves a scar. They can be very painful – eating may become difficult.
• Herpetiform ulcers’, these are tiny, about 1-2 mm across. Many occur at the same time, but some may join together and form irregular shapes. Each ulcer lasts one week to two months. (These are sometimes called but they have nothing to do with herpes or the herpes virus.)
Aphthous ulcers usually first occur at any age. They then recur from time to time. There can be days, weeks, months, or years between each bout of ulcers. The ulcers tend to recur less often as you become older. In many cases, they eventually stop coming back. Some people feel a burning in the mouth for a day or so before an ulcer appears.

Causes of Aphthous ulcers?

The exact reason why aphthous ulcers develop is not yet clearly defined. Current thinking is that the immune system has been disturbed by some external factor and these results in the development of aphthous ulcers. Also, approximately 40% of people who get ulcers have a family history of aphthous ulcers.
Some factors that seem to trigger outbreaks of ulcers include:
• Emotional stress and lack of sleep
• Mechanical trauma, for example self-inflicted bite , improper brushing
• Nutritional deficiencies, particularly vitamins B, iron, and folic acid
• Certain foods including spices, chocolate
• Certain toothpastes and hard tooth brushes
• Smoking, but Some ex-smokers find they develop ulcers only after stopping smoking.
• Changes in hormone levels. Some women find that mouth ulcers occur just before their period. In some women, the ulcers only develop after the menopause.
• Rarely, a food allergy may be the cause.
• A reaction to a medication is a rare cause. For example, anti-inflammatory drugs, and oral nicotine replacement therapy have been reported to cause mouth ulcers in some people.
• Aphthous ulcers are commonly present in certain medical conditions. Many of these conditions are associated with impaired immune systems and include Behcet disease, Crohn disease and inflammatory bowel disease.

Treatments for Aphthous ulcers?

Treatment aims to ease the pain when ulcers occur, and to help them to heal as quickly as possible. (There is no treatment that prevents aphthous mouth ulcers from recurring.)
• No treatment may be needed. The pain is often mild, particularly with the common ‘minor’ type of aphthous ulcer. Each bout of ulcers will go without treatment.
• General measures include:
o Avoid spicy foods, acidic fruit drinks, and very salty foods (such as crisps) which can make the pain worse.
o Use a straw to drink, to by-pass ulcers in the front of the mouth. (Note: do not drink hot drinks with a straw, as you may burn your throat. Only cold drinks.)
o Use a very soft toothbrush.
o If you suspect a medication is causing the ulcers, then a change may be possible.
• Chlorhexidine mouthwash may reduce the pain. It may also help ulcers to heal more quickly. It also helps to prevent ulcers from becoming infected. Chlorhexidine mouthwash is usually used twice a day. It may stain teeth brown if you use it regularly. However, the stain is not usually permanent, and can be reduced by avoiding drinks that contain tannin (such as tea, coffee, or red wine), and by brushing teeth before use. Rinse your mouth well after you brush your teeth as some ingredients in toothpaste can inactivate chlorhexidine.
• Steroid lozenges may also reduce the pain, and may help ulcers to heal more quickly. By using your tongue you can keep a lozenge in contact with an ulcer until the lozenge dissolves. A steroid lozenge works best the sooner it is started once an ulcer erupts. If used early, it may ‘nip it in the bud’, and prevent an ulcer from fully erupting. The usual dose is one lozenge, four times a day, until the ulcer goes. In children, use for no more than five days at a time.
• Steroid paste (gel) is an alternative to a lozenge.
• A painkilling oral rinse, gel, or mouth spray may help to ease pain. For example, benzydamine spray, or choline salicylate gel. However, the effect of each dose does not last very long.
• Steroid -Other treatments may be tried if the above do not help or where the pain and ulceration are severe. For example, a course of steroid tablets, strong steroid mouthwashes, colchicine, tetracycline or doxycycline mouthwashes, and some immunosuppressant drugs.
 Cautery with Silver nitrate under local anesthetic is very effective. It destroy the nerve endings under the ulcer base reducing pain and early healing
 Biopsy to be done if mouth ulcer doesn’t heal after 2-3 weeks, to rule out any malignancy.




How to Bread and Fry a Chicken Cutlet


Cornish Hens with Cherry Sauce (Crockpot) Recipe


Cornish Hens with Cherry Sauce Recipe

Use the slow cooker to make no-fuss Cornish game hens with a delicious red currant jelly and cherry sauce. The shortcut stuffing begins with a mix and is improved with onions and chicken broth. These little birds make an elegant presentation, but they are so easy to make. If your crockpot is not large enough to accomodate four Cornish game hens, you can bake them in the oven.
Prep Time: 20 minutes
Cook Time: 6 hours
Total Time: 6 hours, 20 minutes
Ingredients:
  • 2 tablespoons butter
  • 3/4 cup red currant jelly
  • 1/4 cup coarsely chopped dried red cherries
  • 2 teaspoons fresh lemon juice
  • 1/2 teaspoon salt
  • 1/4 teaspoon ground allspice
  • 1/4 cup (1/2 stick or 4 Tbsp) butter
  • 1 cup chopped sweet onion
  • 1/2 cup chopped celery
  • 1/4 cup coarsely chopped dried red cherries
  • 1 cup chicken broth
  • 1/2 cup water
  • 1 (16 ounce) package seasoned stuffing mix
  • 1 teaspoon (about) of browning sauce such as Gravy Master or Kitchen Bouquet (optional)
  • 4 Cornish game hens, thawed if frozen
Preparation:
Place rack in the bottom of a large slow cooker.

In a small saucepan, combine 2 tablespoons of butter, red currant jelly, cherries, lemon juice, salt, and allspice. Stir over low heat until melted. Let cool.

In a large pot, saute onion and celery in 1/4 cup of the butter until soft and translucent. Add chicken broth, water, and additional 1/4 cup dried cherries. Bring to a boil. Turn off heat and add stuffing mix, tossing to combine. Let stuffing cool to room temperature.

Rub the skin of the birds with the browning sauce. (Promotes browning.) Stuff Cornish game hens and place on the rack in the crockpot.

Reserve 2/3 cup of cherries sauce and set aside. Brush remaining sauce over the skin of the stuffed Cornish game hens. Cover crockpot and cook on low for 6 to 7 hours.

The Cornish game hens may be served whole or cut in half. Spoon reserved sauce over the poultry when you serve it.

Yield: 4 servings

Oven Method:
Preheat oven to 375 F. Line a 9 x 13-inch baking pan with nonstick foil. Place a shallow rack in the bottom of the pan. Proceed as above, but bake in the oven for 45 minutes or until interior reaches 180 F. with an instant-read thermometer. 

Effortless Sailing With Fluid Flow Cloak


Boat with wake. Researchers have demonstrated the theoretical ability to significantly increase the efficiency of ships by tricking the surrounding water into staying still. (Credit: © lunamarina / Fotolia)
Science Daily  — Duke engineers have already shown that they can "cloak" light and sound, making objects invisible. Now, they have demonstrated the theoretical ability to significantly increase the efficiency of ships by tricking the surrounding water into staying still.

"Ships expend a great deal of energy pushing the water around them out of the way as they move forward," said Yaroslav Urzhumov, assistant research professor in electrical and computer engineering at Duke's Pratt School of Engineering. "What our cloak accomplishes is that it reduces the mass of fluid that has to be displaced to a bare minimum.
"We accomplish this by tricking the water into being perfectly still everywhere outside the cloak," Urzhumov said. "Since the water is still, there is no shear force, and you don't have to drag anything extra with your object. So, comparing a regular vessel and a cloak of the same size, the latter needs to push a much smaller volume of water, and that's where the hypothesized energy efficiency comes from."
The results of Urzhumov's analysis were published online in the journal Physical Review Letters. The research was supported by the U.S. Office of Naval Research and a Multidisciplinary University Research Initiative (MURI) grant through the U.S. Army Research Office. Urzhumov works in the laboratory of David R. Smith, William Bevan Professor of electrical and computer engineering at Duke.
While the cloak postulated by Urzhumov differs from other cloaks designed to make objects seem invisible to light and sound, it follows the same basic principles -- the use of a human-made material that can alter the normal forces of nature in new ways.
In Urzhumov's fluid flow cloak, he envisions the hull of a vessel covered with porous materials -- analogous to a rigid sponge-like material -- which would be riddled with holes and passages. Strategically placed within this material would be tiny pumps, which would have the ability to push the flowing water along at various forces.
"The goal is make it so the water passing through the porous material leaves the cloak at the same speed as the water surrounding by the vessel," Urzhumov said. "In this way, the water outside the hull would appear to be still relative to the vessel, thereby greatly reducing the amount of energy needed by the vessel to push vast quantities of water out of the way as it progresses."
While the Duke invisibility cloak involved a human-made structure -- or metamaterial -- based on parallel rows of fiberglass slats etched with copper, Urzhumov envisions a different sort of metamaterial for his fluid flow cloak.
"In our case, I see this porous medium as a three-dimensional lattice, or array, of metallic plates," he said. "You can imagine a cubic lattice of wire-supported blades, which would have to be oriented properly to create drag and lift forces that depend on the flow direction. In addition, some of the cells of this array would be equipped with fluid-accelerating micro-pumps."
Urzhumov explained that when a regular vessel moves through fluid, it also pushes and displaces a volume of water that greatly exceeds the volume of the vessel itself. That is because in a viscous fluid like water, an object cannot just move a single layer of water without all others; the shear force effectively attaches an additional mass of water to the object.
"When you try to drag an object on a fishing line through water, it feels much heavier than the object itself, right?" he said. "That's because you are dragging an additional volume of water with it."
Based on this understanding of the flow cloaking phenomenon, Urzhumov believes that the energy expended by the micropumps could be significantly less than that needed to push an uncloaked vessel through the water, leading to the greatly improved efficiency.

Increased Tropical Forest Growth Could Release Carbon from the Soil


Measuring CO2 efflux from the soil in subplots where the forest floor has been replaced with litter with a distinct isotopic signature. A wire mesh tent excludes forest litter from the subplots. (Credit: Dr. Emma Sayer)
Science Daily  — A new study shows that as climate change enhances tree growth in tropical forests, the resulting increase in litterfall could stimulate soil micro-organisms leading to a release of stored soil carbon.










The researchers used results from a six-year experiment in a rainforest at the Smithsonian Tropical Research Institute in Panama, Central America, to study how increases in litterfall -- dead plant material such as leaves, bark and twigs which fall to the ground -- might affect carbon storage in the soil. Their results show that extra litterfall triggers an effect called 'priming' where fresh carbon from plant litter provides much-needed energy to micro-organisms, which then stimulates the decomposition of carbon stored in the soil.
The research was led by scientists from the Centre for Ecology & Hydrology and the University of Cambridge, UK. The results are published online in the journal Nature Climate Change.
Lead author Dr Emma Sayer from the UK's Centre for Ecology & Hydrology said, "Most estimates of the carbon sequestration capacity of tropical forests are based on measurements of tree growth. Our study demonstrates that interactions between plants and soil can have a massive impact on carbon cycling. Models of climate change must take these feedbacks into account to predict future atmospheric carbon dioxide levels."
The study concludes that a large proportion of the carbon sequestered by greater tree growth in tropical forests could be lost from the soil. The researchers estimate that a 30% increase in litterfall could release about 0.6 tonnes of carbon per hectare from lowland tropical forest soils each year. This amount of carbon is greater than estimates of the climate-induced increase in forest biomass carbon in Amazonia over recent decades. Given the vast land surface area covered by tropical forests and the large amount of carbon stored in the soil, this could affect the global carbon balance.
Tropical forests play an essential role in regulating the global carbon balance. Human activities have caused carbon dioxide levels to rise but it was thought that trees would respond to this by increasing their growth and taking up larger amounts of carbon. However, enhanced tree growth leads to more dead plant matter, especially leaf litter, returning to the forest floor and it is unclear what effect this has on the carbon cycle.
Dr Sayer added, "Soils are thought to be a long-term store for carbon but we have shown that these stores could be diminished if elevated carbon dioxide levels and nitrogen deposition boost plant growth."
Co-author Dr Edmund Tanner, from the University of Cambridge, said, "This priming effect essentially means that older, relatively stable soil carbon is being replaced by fresh carbon from dead plant matter, which is easily decomposed. We still don't know what consequences this will have for carbon cycling in the long term."

உங்கள் கனவு இல்லங்களை அழகுபடுத்த உதவும் இணையம்




நாம் வசிக்கும் வீட்டில் இருந்து நம் அலுவலகம் வரை எப்படி இருந்தால் நன்றாக இருக்கும், என்னென்ன மாற்றங்கள் செய்தால் நன்றாக இருக்கும் என்று எண்ணுபவர்களுக்கு உதவுவதற்காக ஒரு தளம் உள்ளது.
அழகுபடுத்துவது என்பது அதிகமாக பணம் செலவு செய்து தான் என்பதில்லாமல் பணத்தை விட ஐடியாக்கு முக்கியத்துவம் கொடுத்து நாம் வசிக்கும் இடம், நம் அலுவலகத்தை மேலும் சிறப்பானதாக மாற்ற எந்த பிராஜெக்ட் செய்யலாம் எவ்வளவு பணம் செலவாகும் என்று சொல்லி ஒரு தளம் உதவுகிறது.
இத்தளத்திற்கு சென்று வீடு அழகுபடுத்தும் பிராஜெக்ட் என்றால் என்ன என்பதில் தொடங்கி பிராஜெக்ட் எப்படி செய்ய வேண்டும், பிராஜெக்டுக்கு ஆகும் செலவு என்ன என்பது வரை அத்தனை தகவல்களையும் அள்ளி கொடுக்கிறது.
சில முக்கிய பிராஜெக்ட்களை வீடியோவுடன் காட்டி அசத்துகின்றனர். இதில் மற்றொரு சிறப்பு என்னவென்றால் புதிதாகத்தான் பிராஜெக்ட் செய்ய வேண்டும் என்று இல்லாமல் இருக்கும் இடத்தையே எப்படி அழகாக வைத்து கொள்ளலாம்.
உதாரணமாக இந்தப்பொருள் இந்த இடத்தில் வைத்தால் நன்றாக இருக்கும் என்று பல டிப்ஸ்-ம் அள்ளி கொடுக்கிறது. வீட்டிற்கு முன் ஒரு கார்டன் வைத்தால் நன்றாக இருக்கும் என்று என்னுபவர்கள் அதற்கு என்னென்ன தேவை, எவ்வளவு செலவாகும் போன்ற அத்தனை தகவல்களையும் முழுமையாக தெரிந்து கொள்ளலாம்.
சில வேலைகள் எளிதாக நாமே செய்யும் படி இருந்தால் சந்தோஷமாக நாமே செய்யலாம், எப்படி செய்ய வேண்டும் என்ற அத்தனை வழிமுறைகளையும் கொடுக்கும் இந்தத்தளம் அனைவருக்கும் பயனுள்ளதாக இருக்கும்.

உங்களது ஜிமெயில் கணக்கை வேறொருவர் பயன்படுத்துகின்றாரா என்பதை தெரிந்து கொள்வதற்கு



நாம் வைத்திருக்கும் ஜிமெயில் கணக்கை வேறொருவர் பயன்படுத்தினாலோ அல்லது நமக்கு தெரியாமல் "BadActivity" நடந்திருந்தாலோ நமக்கு இதுவரை தெரியாமல் இருந்துவந்தது.
ஜிமெயில் தான் இப்பொழுது அதிகளவு மக்களால் பயன்படுத்தப்படுகிறது. வங்கி கணக்குகள் பற்றிய விவரங்கள் பல Confidential Informations நமது கணக்கில் வைத்திருப்போம், இப்படி இருக்கும் போது கண்டிப்பாக நமது கணக்கு பாதுகாப்பாக இருக்க வேண்டியது அவசியம். நம் கணக்கை வேறொருவர் பயன்படுத்தினால் நாம் எப்படி தெரிந்து கொள்வது?
உங்கள் ஜிமெயில் கணக்கை திறந்து Inbox கீழே பார்த்தால், கீழே உள்ள படத்தில் உள்ளது போல் இருக்கும்.
Details என்பதை கிளிக் செய்யவும்.
Change என்பதை கிளிக் செய்யவும்.
வேலை முடிந்தது, அடுத்த தடவை யாராவது உங்க கணக்கை பயன்படுத்தினால் கீழே உள்ளது போல உங்க ஜிமெயில் கணக்கில் வரும்.
இப்படி உங்கள் கணக்கை வேறொருவர் பயன்படுத்தினது தெரியவந்தால் உங்கள் Password மாற்றி விடுங்கள். உங்கள் கணக்கு பாதுகாப்பாக இருக்கும்.

சிக்குன் குனியா நோய்க்கான மருந்து கண்டுபிடிப்பு




சிக்குன் குனியா காய்ச்சலுக்கான தடுப்பூசி மருந்தை அமெரிக்க விஞ்ஞானிகள் கண்டுபிடித்துள்ளனர்.
கடும் காய்ச்சலோடு மூட்டு வலியை ஏற்படுத்தும் சிக்குன் குனியா நோய் சில ஆண்டுகளுக்கு முன் இந்தியாவில் உள்ள தமிழகத்தைப் பாதித்தது.
இந்த நோய்க்கு தடுப்பூசி கண்டுபிடிக்கப்படாமல் இருந்தது. தற்போது அமெரிக்காவின் டெக்சாஸ் பல்கலைக்கழக விஞ்ஞானிகள் சிக்குன் குனியாவை தடுக்க வழி செய்யும் மருந்தை கண்டுபிடித்துள்ளனர்.
மரபணு மாற்றம் செய்யப்பட்ட சிக்குன் குனியா வைரசைக் கொண்டு இந்த மருந்து தயாரிக்கப்பட்டுள்ளது. இந்த மருந்து பரிசோதனை ரீதியாக எலிக்கு பயன்படுத்தப்பட்டு அதில் வெற்றி காணப்பட்டுள்ளது. ஆனாலும் இந்த மருந்துக்கு அங்கீகாரம் வழங்கப்படவில்லை.
மனிதர்களுக்கு இந்த மருந்து எந்த விதத்தில் வேலை செய்கிறது என்பது உள்ளிட்ட சோதனைகள் முடிந்த பின் இதற்கு அனுமதி கிடைக்கும். இந்த தடுப்பூசி தயாரிப்பு செலவும் குறைவு தான் என டெக்சாஸ் பல்கலைக்கழக விஞ்ஞானி ஸ்கேட் வீவர் தெரிவித்துள்ளார்.

Naked Coconut