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Are E-cigarettes Leading More Kids to Smoke?

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Cigarettes vs. E-Cigarettes

Thinkstock\MilknCoffee

Today, thanks to decades of educational efforts about the serious health consequences of inhaled tobacco, fewer young people than ever smoke cigarettes in the United States. So, it’s interesting that a growing of number of middle and high school kids are using e-cigarettes—electronic devices that vaporize flavored liquid that generally contains nicotine.

E-cigarettes come with their own health risks, including lung inflammation, asthma, and respiratory infections. But their supporters argue that “vaping,” as it’s often called, might provide an option that would help young people steer clear of traditional cigarettes and the attendant future risks of lung cancer, emphysema, heart disease, and other serious health conditions. Now, a new NIH-funded study finds that this is—pardon the pun—mostly a pipe dream.

Analyzing the self-reported smoking behaviors of thousands of schoolkids nationwide, researchers found no evidence that the availability of e-cigarettes has served to accelerate the decline in youth smoking. In fact, the researchers concluded the opposite: the popularity of e-cigarettes has led more kids—not fewer—to get hooked on nicotine, which meets all criteria for being an addictive substance.


Peanut Allergy: Early Exposure Is Key to Prevention

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Kids and peanuts

Credit: Thinkstock (BananaStock, Kenishirotie)

With peanut allergy on the rise in the United States, you’ve probably heard parents strategizing about ways to keep their kids from developing this potentially dangerous condition. But is it actually possible to prevent peanut allergy, and, if so, how do you go about doing it?

There’s an entirely new strategy emerging now! A group representing 26 professional organizations, advocacy groups, and federal agencies, including the National Institutes of Health (NIH), has just issued new clinical guidelines aimed at preventing peanut allergy [1]. The guidelines suggest that parents should introduce most babies to peanut-containing foods around the time they begin eating other solid foods, typically 4 to 6 months of age. While early introduction is especially important for kids at particular risk for developing allergies, it is also recommended that high-risk infants—those with a history of severe eczema and/or egg allergy—undergo a blood or skin-prick test before being given foods containing peanuts. The test results can help to determine how, or even if, peanuts should be introduced in the youngsters’ diets.


Resurgence of Measles, Pertussis Fueled by Vaccine Refusals

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Baby getting a vaccine

Credit: Centers for Disease Control and Prevention

I was born in 1950 and was home-schooled until the 6th grade. Thus, I missed exposure to several childhood illnesses that affected most of my generation. I never gave it much thought until, as a medical resident in North Carolina in 1979, I came down with a potentially life-threatening febrile illness that required hospitalization. Only after four days of 105 degree fever did a rash appear, and the diagnosis was made: measles. That was the sickest I have ever been. It turned out that one of my daughter’s school friends had developed measles in a small outbreak of unvaccinated kids in Chapel Hill, and I had been exposed to her. I was born too early to have been vaccinated.

But for most people born in the United States after the 1960s, they have never had to experience the high fever and rash of the measles or the coughing fits of pertussis, commonly known as whooping cough. That’s because these extremely contagious and potentially life-threatening diseases have been controlled with the use of highly effective vaccines and strong vaccination programs. And yet, the number of Americans sickened with measles and pertussis each year has recently crept back up.

Now, an NIH-funded report confirms that many of the recent outbreaks of these vaccine-preventable diseases have been fueled by refusal by some parents to have their children vaccinated [1]. The findings, published recently in JAMA, come as an important reminder that successful eradication of infectious diseases depends not only on the availability of safe and effective vaccines, but also on effective communication about the vaccines and the diseases they prevent.


Zika and Birth Defects: The Evidence Mounts

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Zike virus infection

Caption: Human neural progenitor cells (gray) infected with Zika virus (green) increased the enzyme caspase-3 (red), suggesting increased cell death.
Credit: Sarah C. Ogden, Florida State University, Tallahassee

Recently, public health officials have raised major concerns over the disturbing spread of the mosquito-borne Zika virus among people living in and traveling to many parts of Central and South America [1]. While the symptoms of Zika infection are typically mild, grave concerns have arisen about its potential impact during pregnancy. The concerns stem from the unusual number of births of children with microcephaly, a very serious condition characterized by a small head and damaged brain, coinciding with the spread of Zika virus. Now, two new studies strengthen the connection between Zika and an array of birth defects, including, but not limited to, microcephaly.

In the first study, NIH-funded laboratory researchers show that Zika virus can infect and kill human neural progenitor cells [2]. Those progenitor cells give rise to the cerebral cortex, a portion of the brain often affected in children with microcephaly. The second study, involving a small cohort of women diagnosed with Zika virus during their pregnancies in Rio de Janeiro, Brazil, suggests that the attack rate is disturbingly high, and microcephaly is just one of many risks to the developing fetus. [3]


Creative Minds: Exploring the Health Effects of Fracking

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Elaine Hill

Elaine Hill

A few years ago, Elaine Hill was a doctoral student in applied economics at Cornell University in Ithaca, NY, studying maize markets in Uganda [1] and dairy supply chains in the northeastern U.S [2]. But when fracking—a controversial, hydraulic fracturing technique used to produce oil and natural gas—became a hot topic in the Finger Lakes region of upstate New York, Hill was motivated to shift gears.

After watching a documentary about fracking, Hill decided to search for scientific evidence on its possible health effects, but found relatively little high-quality data. So, she embarked on a new project—one that eventually earned her a Ph.D.—to evaluate what, if any, impact fracking has on infant and child health. Now, supported by a 2015 NIH Director’s Early Independence Award, Hill is pursuing this line of research further as an assistant professor of Public Health Sciences at the University of Rochester School of Medicine and Dentistry, Rochester, NY.


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