Scientists have isolated two chemicals that can cause cancer and may enable doctors to identify, which smoker will develop cancer, study reported.

Smokers which have the high concentration of nicotine by-products “NNAL” and “cotinine” have the higher risk of developing lung cancer than the smoker with low concentration of NNAL and cotinine in their urine. This study may explain that why some smokers develop cancer and other do not.

“There are more than 60 culprit agents of cancer but the exact identification will able us to predict the risk,” lead researcher Jian-Min Yuan said.

Laboratory findings have explained that the animals with high NNAL level develop cancer, but the implementation of the similar phenomenon in human has not been explained yet.

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Chinese researchers claimed that, they have produced new eggs with the help of stem cells from the ovaries of young and adult female mice that can open the new ways for the female infertility treatment.

Scientists believe that process of oocytes (egg production) stops before birth in mammals including humans. In the report researchers explained, the have developed the way to produce eggs while using stem cells taken from the ovaries of female mice.

“These findings may have important propositions for the preparation of reproductive medicines,” researchers said.

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It’s hard to believe that fat can burn the calories, but new study has found that, in adults there are some small spots of brown fats that have the ability to regulate metabolic rate, formerly, these spots were believed to exit only in the babies and kids.

This brown fat can be termed as good fat, unlike white fat that constitute majority of the body fat, because it actively burns the body fat and utilize that generated energy.

This unique type of study first time showed that brown fat also does exist in the adults which can actively regulate the metabolic rate of the body. “this study has diverted the concern toward the brown fat in the treatment of type 2 diabetes, obesity and its associated risks,” lead researcher C. Ronald Kahn said.

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According to the latest findings, genetic mutation is the key culprit that triggers more than 70 percent of the deadliest skin cancer, melanoma.

Scientists already knew that the gene BRAF get damaged or mutated in melanoma, but either this is the cause or the result was unclear.

But the latest findings revealed that first mutation occurs in the gene that leads to the skin cancer.

This study confirms that the gene mutation is the key factor that can stimulate the factors responsible for the skin cancer. Richard Marais, lead researcher of the study said, “it’s an established thought that excessive sun exposure can cause melanoma, but the adequate knowledge of genetic influence was not common before these findings.”

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Bisphenol A, a toxic chemical found in sippy cups and baby bottles, has been banned by a suburban county of N.Y. Suffolk County Executive Steve Levy banning the sale of baby bottles containing BPA, after the county legislators proved it last month.

Different states such as California, Washington, Hawaii and many others are planning to ban the products containing BPA, but Suffolk County is the first state that has implanted. In October, Canada was the first country which has announced to ban the BPA. Bisphenol A is commonly used in many the inner lining of the food cans, eye glasses and many hose hold goods.

This ban will take effective after the approval of N.Y. Secretary of state, within 90 days and applies to the food or beverage containers used by the children of three years.

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An irresponsible attitude from middle-age people about the sexual health is continued to be seen, health experts said.

Among the two thousand adults every fifth person had the unprotected sex with other than the long-term partner, within the last five year.

The rate of sexually transmitted infections (STI) have already increased to double and still increasing with a much greater pace in the people over 45 than the youngsters, researchers reported.

Older people are undergoing the pushy relationship changes and with the diminishing chances of pregnancy they are less apt to use the protection. Researcher noticed that old age generation was ignoring the risk of STIs.

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It is hard for parents to decide about the circumcision of their baby boy, but this procedure reduces the risk of many infections later in life, a new study suggested.

In the study, including 5,000 uncircumcised males, researchers found that after circumcision the events of infections of herpes and transmission of HPV, which is a major cause of cervical cancer in female, was reduced by 28 and thirty-five percent respectively.

Many previous researches have almost similar findings and also concluded that circumcision reduce the risk of HIV by 60 percent.

“These findings may one day change the policy and recommend the circumcision as vital tool for the better protection against herpes, HIV and VPV,” lead researcher Dr. Thomas Quinn said.

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A new Dutch study has revealed that, children and members of the family which have the history of blood clotting in the veins are more likely to develop the disease than the siblings without family history.

Superficial and deep venous thrombosis, kinds of venous clotting, are lethal because it can travel to the pelvic arteries and lungs.

For this purpose, researchers compared the 1,605 patients of venous thrombosis with the 2,159 normal people that had never developed the condition. Study findings showed that the 31.5 venous thrombosis patients have a family history than the 17.3 of the controlled group.

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The specific gene that turns the carbohydrates into fats has been found by the U.S. researchers. This study has also provided the new approaches about the metabolism of the carbohydrates and their contribution in the obesity.

The isolated gene, known as DNA-PK, is responsible for the various actions of liver which are responsible for the carbohydrates conversion into fats, the researchers’ team reported in the journal “Cell.”

“We are optimistic that one day these findings were allowed the people to eat carbohydrates without the fear of obesity,” the researcher Roger Wong, said.

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Obesity can cuts down the life span of an obese person, a new study suggested. Moderated obesity means almost 50 to 60 pounds above then the ideal body mass index can shorten three to four years of life and the most American middle-age men having the extra 150 pounds than their ideal weight which can shorten life span by ten years.

Thought this level is not as much common as smoking as smoking is also known to reduce the life span by ten years, so both reasons are equally dangerous.

For the study, Whitlock the lead researcher analyzed the data of 894,576 people with 25 BMI. According to the U.S. National Heart, Lung, and Blood Institute, people are considered overweight when they have a BMI over 25 and 29.9 and obese after crossing BMI 30 and more.

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A new study has demonstrated the safe implantation of a cochlear device in elderly patients with showing no serious complications as an outcome of general anesthesia.

The researchers said there is no high ratio of complications to insert the device into older people to correct the hearing problem of deafness.

Phenomenon of cochlear implants involves the putting up these devices under the skull which translate sound directly into electrical impulse into the acoustic nerves and can perform well in the people who could not be benefited by conventional hearing aids.

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Errors in the administration of inject able drug are frequent in the intensive care units of hospital, a study involving 27 countries suggested.

Out of 441 patients affected with blunders, seven got permanent disabilities and five were almost dead due to the errors, British Medical Journal reported. On the inquiry staff of ICU blamed the workload and tiredness.

Data of 113 patients of ICU was collected by the researchers among them 17 were in the UK.

The most frequently errors made, in general, were the missing dose, administration spot and wrong time of administration.

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