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VILevi/iStockphoto/Thinkstock(WASHINGTON) -- An American doctor who had been volunteering in an Ebola treatment unit in Sierra Leone will be admitted for treatment at the National Institutes of Health Clinical Center after being exposed to the virus.

According to the NIH, the decision to admit the patient was made "out of an abundance of caution." The patient, who was not identified, will stay in a specially-designed unit with high-level isolation capabilities. The unit is also staffed by infectious diseases and critical care specialists.

The NIH says it will take every precaution to ensure the safety of all of its patients and staff, as well as the public.

Copyright 2014 ABC News Radio

iStock/Thinkstock(BALTIMORE) -- The best way to treat social anxiety disorder, which can literally paralyze people in social situations, is through talk therapy more so than drugs.

That's the finding of a John Hopkins University study, which looked at a disorder affecting millions of Americans.

"Social anxiety is more than just shyness," says study leader Evan Mayo-Wilson.

Mayo-Wilson says social anxiety goes far beyond ordinary shyness because the disorder can prevent people from establishing relationships or getting ahead at school or work.

In a meta-analysis of more than 13,000 participants from 100 clinical trials, it was discovered that cognitive behavioral therapy was more effective in getting people to deal with their social anxiety than either antidepressants or a combination of therapy and drugs.

Cognitive behavioral therapy predominantly focuses on the connection between thoughts, feelings and behaviors. Through talking, patients are able to overcome irrational fears that often lead to avoiding social situations.

Perhaps more significantly, many don't lapse back into social anxiety after CBT is over.

Copyright 2014 ABC News Radio

Comstock Images/Stockbyte/Thinkstock(NEW YORK) -- A new study indicates that antibiotics, used in children under the age of 2, may be linked to childhood obesity.

Researchers at the Children's Hospital of Philadelphia looked at data from 65,000 infants and found that infants under the age of 2 who received more frequent doses of wide-spectrum antibiotics were more likely to be obese than those who received less frequent doses.

The study, published in the Journal of the American Medical Association Pediatrics, found that children younger than three months are given the strongest selection of antibiotics for a short period of time, which has been proven to save lives. However, researchers say children over the age of three months may be more prudently treated with a more narrow spectrum of antibiotics.

Researchers say that the cumulative exposure to antibiotics, as well as the early age of antibiotic exposure, was linked to a higher risk of obesity later on.

Copyright 2014 ABC News Radio

Aleksandar-Pal Sakala/iStockphoto/Thinkstock(NEW YORK) -- Researchers say soda may cause problems for children's bone health, particularly if it leads to children drinking less milk.

The study, published in the journal Pediatrics, points to the importance of calcium in children, and notes that choosing soda over beverages containing calcium is one route that could lead to poor bone health. Past research has also noted that the phosphate in sodas can bind with calcium, preventing its use in strengthening bones.

The researchers say that nearly 25 percent of high school students drink some kind of soda daily. That drink selection can put children at risk of weaker bones as they age.

The American Academy of Pediatrics released new guidelines, recommending that children avoid carbonated beverages.

Copyright 2014 ABC News Radio

iStock/Thinkstock(DENVER) -- Simon Humphrey spent nine days in a Colorado hospital room fighting for his life.

Humphrey, 13, is one of hundreds of children across the country stricken by Enterovirus 68.

He later had problems moving his limbs.

"I couldn't move my legs," he told ABC affiliate KMGH-TV in Denver. "The muscles in my arms could barely lift the weight of my hands."

Humphrey is showing signs of improvement after the temporary paralysis. But his struggle reflects an emerging concern; young patients with respiratory infections later having trouble moving their arms and legs.

Investigators with the Centers for Disease Control and Prevention are searching for links between Enterovirus D-68 and paralysis. Nine patients at Children’s Hospital Colorado -- all age 18 or younger -- have experienced some level of paralysis. Four of the patients tested positive for Enterovirus D-68 but, so far, doctors have not confirmed a link between the respiratory infections and paralysis. Experts say it could take a week before conclusive test results emerge.

Six of the eight children tested were found to be positive for a rhinovirus or enterovirus, and four of those cases were found to be the Enterovirus 68. The other two cases were still pending.

Dr. William Schaffner, an infectious disease expert at the Vanderbilt University School of Medicine in Nashville, Tennessee, said it’s important for officials to understand the scope of the problem.

“In a circumstance like that, the virus actually infects the central nervous system, the spinal cord, causes injury to some of the cells, and that’s what causes the paralysis,” Schaffner said.

Dr. Larry Wolk, the chief medical officer and executive director for Colorado Department of Public Health and Environment, said the paralysis is rare but could be permanent.

“Parents ask, ‘Why? Why my child or why not my child?’” Wolk said. “And it’s a question we can’t answer because we don’t really know why some of these kids go on to develop this type of serious complication.”

Enterovirus D-68 is confirmed or suspected in 45 states. Authorities are investigating whether the virus killed a 4-year-old New Jersey boy Thursday.

Doctors are urging parents to keep a close eye on sick children.

“When your child is not acting the way you would expect with a cold symptom, that’s when you need to access care,“ Dr. Christine Nyquist of Children’s Hospital Colorado said. “Breathing difficulty and wheezing is important to deal with.”

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