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MessagePosté le: Jeu 13 Sep - 21:54 (2018)    Sujet du message: n increase proneness to risk-taking and alter the brai Répondre en citant

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Stockholm, Jan. 23 (Xinhua) -- Smoking can increase proneness to risk-taking and alter the brain's reward system, according to a study published by Sweden's Sahlgrenska Academy on Monday.

Using around 100 rats, researchers at the Sahlgrenska Academy studied the effects of nicotine on the brain and behavior. The study lasted for seven months and showed extensive alterations in the reward system of the rodents' brains.

"We were very surprised. We did not expect to see such long-lasting impacts," researcher Julia Morud Lekholm told Swedish Television. "Nicotine appears to cause a cascade of effects that get worse and worse over time," she said.

Half the lab rats were given a saline solution and half were given nicotine for three weeks. Three months into the experiment the rats who had been given nicotine showed signs of abstinence and appeared to be fearless and more prone to risky behavior.

They were placed in a constructed environment consisting of a labyrinth where two areas were more open and more brightly lit. The rats that had been given nicotine were more prone to venture into those more unprotected areas of the labyrinth.

In another experiment, around 30 rats were put down after seven months so that the researchers could study their brains. They discovered significant alterations in the brains of the rats that had consumed nicotine. Their GABA systems, which usually halt dopamine and the signaling to the brain's nerve cells, instead had the opposite function. This lead the researchers to conclude that nicotine impacts what is commonly known as the brain's reward system, which is similar in rats and humans.

According to Morud Lekholm, this signals that smokers' reward systems are shifted so that "the next time you use a drug your response may be much stronger compared to someone who hasn't used a drug."

KIGALI Cheap Men's Nike Air Max 270 Flyknit Triple Black Australia , Sept. 28 (Xinhua) -- Rwanda holds China in high regard for its contribution to Rwanda's socio-economic development and close bilateral cooperation based on mutual trust and partnership, said Rwandan minister of state in charge of economic planning on Wednesday.

China has remained a valuable partner for Rwanda over the past four decades in several sectors, especially infrastructure, Uzziel Ndagijimana told a reception here celebrating the 68th anniversary of the founding of the People's Republic of China Cheap Nike Air Max Plus TN Ultra Shoes Triple Black Australia , which falls on Sunday.

Trade relations between the two countries have also shown significant progress, said Ndagijimana.

"As Rwanda continues to work towards building the manufacturing sector, we look forward to welcoming more Chinese companies to invest in that area," said Ndagijimana Cheap Women's Nike Air Max 90 White Australia , adding that Rwanda is also looking forward to promoting people-to-people relations with China.

Since Rwandan President Paul Kagame's successful visit to China in March, the China-Rwanda relations have embarked on a fast track, said Rao Hongwei, Chinese ambassador to Rwanda.

The governments and people of the two countries will further strengthen cooperation to achieve win-win results and inclusive progress Cheap Men's Nike Air Max 97 Ultra' 17 Triple Black Australia , said the ambassador.

About 350 people attended the reception which was held at the Chinese Embassy in Rwanda.

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Modern manufacturing Cheap Men's Nike Air Max 97 Ultra '17 Metallic Gold Australia , transport help six Chinese provinces develop fast

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by Olatunji Saliu

ABUJA, Sept. 21 (Xinhua) -- Nigeria needs steady growth to fully recover from its worst economic recession in more than two decades, an economic expert told Xinhua on Thursday.

The Abuja-based economist said the end of the recession in Nigeria was a good development but the country's economic growth remained fragile and vulnerable to external shocks and policy slippage.

Muye Yahaya said cruel choices or policies Cheap Men's Nike Air VaporMax 2.0 Tan Cream Australia , aimed at adding value to all sectors of the economy, were needed as quickly as possible.

It is through such policies that the economy, which pulled out of recession early September, can be on the path of smooth development and stability Cheap Men's Nike Air VaporMax Plus All White Australia , Yahaya said.

"Such cruel or important choices are needed to accelerate the construction of institutions to stimulate economic growth and restructuring the economy," he said.

Yahaya, like many other analysts in Nigeria, thinks the outlook for more growth looks positive for the country.

He urged the government to make honest painful structural changes to support its priority sectors of the economy.

"Nigeria needs a national consensus to reduce borrowing and to invest more in agriculture Cheap Men's Nike Air Vapormax CS Triple Black Australia , mining sector and supports small-scale industries."

"The country also needs to improve the business climate by upgrading corporate governance, promoting venture capital investment, redesigning policies for small and medium-sized enterprises, known as SMEs Cheap Nike Air VaporMax Flyknit Men's Women's Black Australia , that will raise productivity, which is the only way to regain a sustainable growth rate," the expert said.

Among other areas that needed urgent attention for economic revival, the expert said the local tax structure could also encourage industrial revival.

Many experts have said that there are different stages Nigeria must go through before ordinary Nigerians will feel the effects of going out of recession Cheap Women's Nike VaporMax Moc Flyknit Triple Black Australia , adding figures suggesting growth do not translate into an improvement in the quality of growth.

On Sept. 5, data by the Nigerian government showed a notched-up growth of 0.55 . Cheap Authentic Jerseys   Cheap NHL Jerseys   Cheap Jerseys China Free Shipping   Cheap NBA Jerseys China   Cheap Nike NBA Jerseys   Cheap Baseball Jerseys   Cheap MLB Baseball Jerseys   Cheap NCAA College Jerseys   Cheap Authentic Jerseys   Cheap Sports Jerseys 

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