Federal investigators ruled the wildfire near Los Angeles that charred 226 square miles of forest and threatened thousands of homes in Southern California was caused by arson, prompting authorities to begin a homicide probe. Firefighters have put out 38% of the blaze, and one official expected the flames to be fully contained by Sept. 15.
The H1N1 flu virus, while continuing to spread globally, so far has not mutated into a deadlier strain, CDC Director Thomas Frieden said Thursday. "That means that although it may affect lots of people, most people will not be severely ill," Frieden said. Meanwhile, a CDC study showed that most of the H1N1 flu-related deaths among children occurred in those aged at least 5 years old with high-risk medical conditions.
The FDA approved Shire's Intuniv, an extended-release drug for attention-deficit/hyperactivity disorder in children ages 6 to 17. The British company said the drug, the first selective alpha-2A receptor agonist for ADHD, is expected to be available at U.S. pharmacies in November.
More than one-third of children get recurrent headaches, which may be triggered by stress or changes in sleep schedules as they return to school, according to pediatricians. The experts said more than one-third of children have recurrent headaches, and while most get tension headaches, about one-quarter of children get migraines.
Most causes of hoarseness are benign but a laryngoscopy is indicated if symptoms persist for more than three months or if there is no readily found underlying cause, according to the first national clinical practice guidelines for hoarseness and dysphonia, from the American Academy of Otolaryngology - Head and Neck Surgery Foundation.