A problem in the city: A GREAT CONSUMPTION OF ALCOHOL IN ADOLESCENCE CAN IMPAIR THE BRAIN PERMANENTLY
To drink much during the teens years could lead to structural changes in the brain and memory deficits that persist in the adult phase, according to the disturbing results of a study done on animals. The study found that, even as adults, rats who had daily access to alcohol during his adolescence had reduced levels of myelin. With a function not very different from the insulation of electrical wiring, myelin forms an insulating layer that surrounds the axons. These are filiform extensions of neurons that transmit nerve impulses.
These brain changes in rats were observed in a region important for reasoning and decision-making. Animals who drank more alcohol performed worse on a test of memory made when they were adults. The results suggest that high doses of alcohol during adolescence may continue affecting the brain even when the inpidual has left the consumption of alcohol. More research is needed to determine if these findings can be applied to humans.
According to the World Health Organization, a growing number of teens and young adults is provided to drinking to get drunk, consuming four (five for men) or more drinks in about two hours. Previous research in humans have shown an association between an episode of drinking excessive (binge) in adolescence, changes in the myelin sheath in several brain regions, and cognitive impairments in adulthood. However, it was unknown if alcohol was behind these brain differences and behaviour or if there was predisposition factors that could explain the found.
In this study, Heather N. Richardson, Wanette M. Vargas, Lynn Bengston and Brian. W. Whitcomb, of the University of Massachusetts in Amherst American city, as well as Nicholas W. Gilpin, of the State University of Louisiana in New Orleans, United States, compared the myelin in the prefrontal cortex (an area of the brain that is vital to reason and make decisions) in young male rats who gave a daily sweetened alcohol or sweetened water access for two weeks. It was found that animals that drank alcohol in his teens experienced a reduction in the levels of myelin in the prefrontal cortex, compared with those who drank a similar amount of sweetened water. When the researchers examined the animals exposed to the alcohol several months later, they found that continued showing levels of myelin reduced as adults.
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WAGENER SOUTH CAROLINA
Schools and libraries with Wi-Fi in WAGENER SOUTH CAROLINA ?
In June 2013, I joined the President in Mooresville, NC, to launch ConnectED an initiative to close the technology gap in our schools and bring high-speed Internet to 99 percent of Americas students within five years. This vision that all students should have access to world-class digital learning is well on its way to becoming a reality.
Thanks to the leadership of the President and the FCC, the resources are in place to meet the Presidents connectivity goal. In addition, various private-sector partners are making over $2 billion worth of resources available to students, teachers, and schools. These include tablets, mobile broadband, software, and online teacher professional development courses from top universities. Fewer than 40 percent of public schools currently have the high-speed Internet needed to support modern digital learning.
But now we have the resources to solve this problem. We just need help from our nations superintendents and school technology chiefs.
Last year, the FCC approved the first major update to the E-Rate program since it was created in 1997. E-Rate (also known as the Universal Service Program for Schools and Libraries) makes it more affordable for schools and libraries to connect to high-speed Internet with the goal of making the gigabit speeds we see in cities like Cedar Falls, Iowa, and Chattanooga, Tennessee the norm in schools across the country.
These updates have unlocked funding to support internal Wi-Fi network upgrades in schools and libraries this year for the first time since 2012. Wi-Fi is important because no matter how fast the Internet connection is to a school, students cant take full advantage of it without a robust wireless network within the school.
To secure E-rate support for Wi-Fi, schools and libraries must submit a form describing their project needs to the Universal Service Administrative Company (USAC). USAC then posts the request for competitive bidding. The Department of Education has prepared an Infrastructure Guide to help district leaders navigate the many decisions required to deliver cutting-edge connectivity to students. That said, schools and libraries have the final say when they submit an application to USAC for approval.
Bringing our schools up to speed is a major priority, and E-rate provides an opportunity to make doing so much more affordable. For all of the superintendents and technology officers: If you havent yet done so, get your requests submitted by February 26, 2015, and your applications in before March 26, 2015 (requests must be up for 28 days before a school can choose a vendor). Your students, your community, and your country will thank you for bringing our classrooms into the 21st century.
If the government owes you money and you do not collect it, then its unclaimed. This can also happen with banks, credit unions, pensions, and other sources.
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