Some children with autism have trouble speaking, and use images to help communicate.
March 29, 2012 The rapid rise in numbers has prompted calls to declare the developmental disorder an epidemic. But researchers say most if not all of the increase could be due to better recognition of the disorder by parents, doctors and teachers.
March 15, 2012 These aren't the usual public service announcements. The $54 million "Tips from Smokers" campaign marks the first time the federal government plans to pay to run anti-smoking ads nationwide,
February 24, 2012 When sick people search the Web for remedies or tweet about their symptoms, they're sending an early warning signal about disease outbreaks. Now scientists and public health officials are listening in.
Ramon Maldonado-Cardenas grimaces as he gets a flu shot from pharmacy student Khoa Truong during a health fair in Sacramento, Calif., last October.
February 23, 2012 It's been an unusually late and mild flu season this year, according to the federal Centers for Disease Control and Prevention. Many people have gotten their flu shots, which seems to be helping. But there's still time for the flu to break out.
February 7, 2012 Unlike an older vaccine, the newer rotavirus vaccine doesn't appear to increase the risk of a dangerous intestinal side effect, according to a large new study. The vaccine has been responsible for a substantial reduction in deaths from rotavirus worldwide.
February 6, 2012 About 1 in 5 nonsmoking kids in middle and high school reported sharing a car with a smoker. The researcher say the survey, which included responses from thousands of students, give an accurate snapshot of what's happening across the country.
A man who has five drinks or more at one sitting is bingeing.
January 10, 2012 About 1 in 6 Americans, or 38 million people, went on at least one drinking binge last year, according to the latest figures from the Centers for Disease Control and Prevention.
Old paint is the chief source of lead poisoning in children.
January 5, 2012 Children should never live in a house with lead paint, according to a federal advisory committee charged with trying to reduce children's exposure to the toxic metal. The panel recommended lowering the threshold for lead exposure to reflect growing evidence that even slight exposure can harm.
H5N1 avian flu viruses (seen in gold) grow inside canine kidney cells (seen in green).
November 17, 2011 At a recent conference, a Dutch scientist said he'd made bird flu virus highly contagious between ferrets — the animal model used to study human flu infection. Just five mutations did the trick. Security experts fear publishing the work could spur development of new weapons.
Connor Perruccello-McClellan, a senior at Providence Country Day School in Rhode Island, has been vaccinated against HPV, something less than 1 percent of U.S. males can say.
November 7, 2011 The idea that teenage girls might have sex is hard for many parents to accept, complicating the case for HPV immunization. For boys, sex is almost expected, so there may be less resistance to their vaccination.
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Prozac, the pill that launched the modern antidepressant era, and drugs like it are now taken by 11 percent of Americans.
October 20, 2011 Antidepressant use has surged almost 400 percent since the early 1990s. Women and adolescent girls are 2 1/2 times more likely than men and adolescent boys to be taking one of the pills.
October 17, 2011 When office costs are factored in, doctors lose money about half the time on common immunizations, a new analysis finds. Vaccine storage and personnel costs are often overlooked.
October 13, 2011 Some 8 in 10 sexually active teen boys reported using a condom the first time they had sex, a new study from the Centers for Disease Control and Prevention finds.
October 5, 2011 Even now, weeks after the suspect cantaloupes were recalled, the Centers for Disease Control and Prevention cautions that there may be more reports of illness to come. The incubation period for listeriosis varies, but it can take as long as two months for symptoms to develop.
Ohio State Highway Patrol troopers talk with motorists at a sobriety checkpoint in 2006, the year CDC says drunk driving peaked.
October 4, 2011 Yearly episodes of people driving after drinking have declined 30 percent since peaking at 2006. More than 4 in 5 impaired-driving episodes involve men. Public health officials called for more use of sobriety checkpoints to reduce alcohol-related fatalities.
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