prevalence

(MedPage Today) -- An integrated program to encourage respectful student behavior in schools reduced the number of teacher-reported bullying incidents and the prevalence of peer rejection, researchers said.

The prevalence of weekly heartburn and other symptoms associated with acid reflux rose by almost 50% over the last decade, according to one of the largest studies ever to examine the issue.

(London School of Hygiene & Tropical Medicine) The Zamstar TB study results are announced.

(MedPage Today) -- An intensive three-year program tested nearly 2.8 million people for HIV in 25 high-prevalence areas, the CDC reported.

(MedPage Today) -- Despite being asymptomatic, heavy cocaine users have a high prevalence of cardiac damage as seen by cardiac MRI, Italian researchers found.

(American Academy of Sleep Medicine) A study in the Oct. 15 issue of the Journal of Clinical Sleep Medicine found that adults with fibromyalgia had a much higher prevalence and risk of restless legs syndrome than healthy controls.

The study suggests that treating RLS may improve sleep and quality of life in people with fibromyalgia.

The prevalence of peanut allergy among children has tripled between 1997 and 2008, researchers found.

The lack of guidelines for diagnosing food allergies has hindered efforts to determine their prevalence and treatments, a review of studies reveals.

There's no clear definition of "food allergy," a limitation that makes it challenging to determine prevalence and develop good management strategies, researchers say.

The prevalence of chronic conditions in childhood has increased over time, with much variation in how long the conditions persist, researchers found.