Friday, June 13th, 2014
Fewer American teenagers are having sex or smoking cigarettes, according to new figures from the Centers for Disease Control and Prevention, but public messaging efforts on the dangers of texting while driving and healthy eating remain largely ineffective in curbing dangerous behaviors. More from NBC News:
The latest federal look at teenage behavior is reassuring and suggests that some safety messages are getting through to American youth.
On the downside, kids are fatter than ever before and just a third are eating anywhere near as many fruits and vegetables as they need to stay healthy. And less than a third are getting enough sleep.
And a very troubling new statistic shows that more than 40 percent of teenagers who drive cars admit to having texted or emailed while driving recently.
But on the whole, it’s a snapshot of progress. The Centers for Disease Control and Prevention, which organizes the every-other-year survey, was especially pleased about the drop in smoking.
“I think it’s really encouraging that we’re seeing the lowest cigarette smoking rate ever,” CDC director Dr. Tom Frieden told NBC News.
“We’ve actually reached the goal that the nation set for ourselves for 2020 early. So that’s one of the most positive trends that we see here — down to 15.7 percent — less than one out of six kids in our high schools is smoking. That’s great news.”
Image: Texting while driving, via Shutterstock
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Child Health, New Research, Parenting News, Trends
Monday, May 19th, 2014
Women who smoke during pregnancy may be putting their babies at greater risk of ADHD and other disorders in which impulse control is compromised. A new study may have identified the specific brain changes that are behind this risk. More from Reuters:
People whose mothers smoked during pregnancy had weaker responses in the regions of their brains known to be involved in inhibition control, compared to those whose mothers didn’t smoke, researchers found.
Inhibition control relates to how people keep their impulses in check and resist distractions in certain situations.
“What’s quite surprising is to find such a reliable effect of prenatal smoke exposure that occurred 25 years before,” Nathalie Holz said.
Holz is the study’s lead author from Mannheim/Heidelberg University in Germany.
She and her colleagues write in JAMA Psychiatry that about 22 percent of European women smoke and about half of them continue to smoke during pregnancy.
Smoking while pregnant has been tied to attention-deficit/hyperactivity disorder, or ADHD, among kids. Children with the condition usually have trouble concentrating and controlling their impulses.
“Now we were interested in what the specific mechanisms are behind this association,” Holz said.
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Image: Pregnant woman smoking, via Shutterstock
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Monday, April 21st, 2014
New styles of flavored cigars are appealing to young people in ways cigars previously hadn’t, drawing many into a smoking habit even as cigarette use is declining among American youth. More from Reuters:
“The cigar market is the most heavily flavored of all tobacco products,” said Cristine D. Delnevo, who led the research. “For decades, tobacco industry internal documents have highlighted that flavors appeal to youth and young people.”
Delnevo, who directs the Center for Tobacco Surveillance & Evaluation Research at Rutgers Cancer Institute of New Jersey in New Brunswick, and colleagues from the National Institutes of Health investigated recent market and survey data on flavored cigar use among young people.
Delnevo and her coauthors analyzed an annual survey of drug and alcohol use among Americans ages 12 and up. For this study, the researchers selected the 6,700 survey responders in 2010 and 2011 who reported smoking cigars in the previous month and had noted their usual brand.
They found that 8 percent of men and 2 percent of women said they had smoked a cigar in the past 30 days, but 11 percent of people between ages 18 and 25 years old had smoked a cigar – more than any other age group.
Three quarters of cigar smokers reported a usual brand that offers flavored varieties, according to the results published in the journal Tobacco Control.
Image: Cigar, via Shutterstock
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Monday, March 17th, 2014
Pregnant women who are exposed to high levels of secondhand smoke face a higher risk of suffering a miscarriage, stillbirth, or fetal death–as high a risk, in fact, as if the women had smoked during pregnancy themselves. More from Reuters on a new study published in the journal Tobacco Control:
“We often think of the diseases that secondhand smoke causes as diseases of older people,” epidemiologist Andrew Hyland told Reuters Health. “The results of this study show that secondhand smoke can affect even unborn babies.”
Hyland led the study at the Roswell Park Cancer Institute in Buffalo, New York. He and his colleagues found the pregnancy risks associated with women’s secondhand smoke exposure were almost as high as the risks related to their own cigarette smoking.
The study was the first to investigate the effects of secondhand smoke using quantified, lifetime exposure levels. The analysis arms clinicians like Dr. Maurice Druzin, from Stanford University Medical Center in California, with facts to try to persuade expectant fathers and others living with pregnant women to refrain from smoking at home.
“This is excellent ammunition for us to emphasize what we’ve known for a long time, but now we’ve got data to support it,” Druzin, who was not involved in the study, told Reuters Health.
“This is the first study that shows that secondhand smoke has the same effect as being a primary smoker,” he said. “That is a game changer.”
Hyland’s team used data from a study of 80,762 women between the ages of 50 and 79 years old. Researchers asked the women about their own smoking and the amount of secondhand smoke they were exposed to as children and adults, as well as about their history of pregnancy problems.
Among women who never smoked themselves, the chances of having a stillbirth were 22 percent higher for those who were exposed to any tobacco smoke than for unexposed women. That was after the researchers took into account other potential contributors, including women’s weight, education and alcohol drinking.
For women who were exposed to the highest lifelong levels of secondhand smoke, the risk of having a stillbirth was even greater – 55 percent higher than among unexposed women.
The researchers defined the highest level of exposure to secondhand smoke as at least 10 years of exposure during childhood, at least 20 years during adulthood and at least 10 years in the workplace.
At that level, a woman’s risk of a tubal ectopic pregnancy was 61 percent higher than among unexposed women, and her risk of a miscarriage was 17 percent higher.
“We’re not talking about an elevated risk of a rare event,” Hyland said of the miscarriage finding. “We’re talking about something that happens all the time.”
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Image: Man smoking near pregnant woman, via Shutterstock
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Must Read, New Research, Pregnancy
Friday, March 7th, 2014
Young people who start smoking by using e-cigarettes, which contain nicotine but no tobacco tar or smoke, are more likely to eventually smoke real cigarettes–and less likely to quit smoking altogether than those who do not use e-cigarettes, according to a new study published in JAMA Pediatrics. The New York Times has more on the study, which is getting a divided response from experts:
The study’s lead author, Stanton Glantz, a professor of medicine at the University of California, San Francisco, who has been critical of the devices, said the results suggested that e-cigarettes, whose use is growing rapidly among youth and adults, were leading to less quitting, not more.
“The use of e-cigarettes does not discourage, and may encourage, conventional cigarette use among U.S. adolescents,” the study concluded. It was published online in JAMA Pediatrics on Thursday.
But other experts said the data did not support that interpretation. . They said that just because e-cigarettes are being used by youths who smoke more and have a harder time quitting does not mean that the devices themselves are the cause of those problems. It is just as possible, they said, that youths who use the devices were heavier smokers to begin with or would have become heavy smokers.
“The data in this study do not allow many of the broad conclusions that it draws,” said Thomas J. Glynn, a researcher at the American Cancer Society.
The study is likely to further stir the debate over what electronic cigarettes mean for the nation’s 45 million smokers, three million of whom are adolescents. Some experts worry that e-cigarettes is a gateway to smoking real cigarettes for young people, though most say the data is too skimpy to settle the issue. Others hope the devices could be a path to quitting.
So far, the overwhelming majority of young people who use e-cigarettes also smoke real cigarettes, a large federal survey published last year found.
Still, while e-cigarette use among youth doubled from 2011 to 2012, cigarette smoking for youth has continued to decline. The smoking rate hit a record low in 2013 of 9.6 percent, down by two-thirds from its peak in 1997.
The new study drew on broad federal survey data from more than 17,000 middle school and high school students in 2011 and more than 22,000 in 2012. But instead of following the same students over time – which many experts say is crucial to determine whether there has been a progression from e-cigarettes to actual smoking — the study examined two different groups of students, essentially creating two snapshots.
Image: Teen smoking e-cigarette, via Shutterstock
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