The researchers said behavioral problems increase along with higher exposure.

In a study published online ahead of print in the Journal of Developmental and Behavioral Pediatrics, the researchers said behavioral problems increase along with higher exposure, but they added small amounts of tobacco smoke can be harmful behavior. – ‘These results should encourage us to prevent more efforts to childhood exposure to tobacco smoke, especially at higher risk groups such as children with asthma,’Kimberly Yolton, lead author of the study and a researcher at Children’s Hospital Environmental Health Center said in Cincinnati Children..

Among 220 children in the study, 61 % were boys, 56 % were African American and 77 % had moderate to severe asthma, with the rest with mild asthma. Inclusion in the study required that except asthma, the children have no other health problems, including mental retardation, and that they must be exposed to at least five cigarettes a day. In the U.S.articipating in the study were all participants in the Cincinnati Asthma Prevention Study.

Cincinnati Children’s Hospital Medical Center is one of the top three American children’s hospitals for general pediatrics and is renowned for its expertise in digestive diseases, respiratory disorders, neonatal care, heart care and neurosurgery place, according to the annual ranking of the best pediatric hospitals by U.S.After the Moscow branch of the Russian consumers Protection Service is, 000 people with HIV / AIDS in the town as January, more than 50 percent are female – to 14 percent of 14 percent over 2007. In addition, the majority of new HIV / AIDS among women under in women under females age 20 to 29, the Times reported.

Some experts are said, Moreover feminization of the epidemic in the country is the result of the changing nature HIV transmission, as well as amendments at social norms, gender and sexual habits of, which Times reported. Although drug use remain a a primary form of of HIV transmission rural, intercourse being increasingly for dissemination of the virus, after which Times.