Chlamydia is the most frequently reported bacterial sexually
transmitted disease in the United States. In 2008, 1,210,523 chlamydial infections were reported to CDC from 50
states and the District of Columbia. Under-reporting is substantial
because most people with chlamydia are not aware of their infections
and do not seek testing. Also, testing is not often done if patients
are treated for their symptoms. An estimated 2,291,000 non-institutionalized
U.S. civilians ages 14-39 are infected with C. trachomatis based on the
U.S. National Health and Nutrition Examination Survey. Women
are frequently re-infected if their sex partners are not tre
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in title, tags, annotations or urlGlobal Warming- Science - The New York Times - 0 views
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The average surface temperature of earth has increased more than 1 degree Fahrenheit since 1900 and the rate of warming has been nearly three times the century-long average since 1970. Almost all experts studying the recent climate history of the earth agree now that human activities, mainly the release of heat-trapping gases from smokestacks, tailpipes, and burning forests, are probably the dominant force driving the trend.
STD Facts - Chlamydia - 0 views
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Chlamydia is known as a "silent" disease because the majority of infected people have no symptoms. If symptoms do occur, they usually appear within 1 to 3 weeks after exposure.
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To help prevent the serious consequences of chlamydia, screening at least annually for chlamydia is recommended for all sexually active women age 25 years and younger. An annual screening test also is recommended for older women with risk factors for chlamydia (a new sex partner or multiple sex partners). All pregnant women should have a screening test for chlamydia.
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News : New study provides guidelines for safe levels of iPod listening - 1 views
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The study, by researchers at the University of Colorado at Boulder and Children's Hospital in Boston, indicates a typical person can safely listen to an iPod for 4.6 hours per day at 70 percent volume using stock earphones, according to Cory Portnuff, a doctoral researcher in CU-Boulder's speech language and hearing sciences department.
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The researchers found that listening to music at full volume through an iPod for more than five minutes a day using stock earphones can increase the risk of hearing loss in a typical person
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Typical individuals can tolerate about two hours a day of a decibel unit known as 91-dBA before risking hearing loss, Portnuff said. The term dBA stands for "A-weighted decibels, a scale that takes into account that the human ear has different sensitivities to different frequency levels,"
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