Sure, keeping a teenager's thoughts corralled may seem like lion taming. But that impulsivity may help them learn, too. Luciano Lozano/Getty Images hide caption

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Luciano Lozano/Getty Images

Catherine Msimango, 18, takes a nightly pill to protect her against HIV. "It's all about my safety," says the South African high schooler. Jason Beaubien/NPR hide caption

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Jason Beaubien/NPR

Why Healthy Teens Are Taking A Daily Anti-AIDS Pill

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Jaime Rangel helps Gustavo Ruiz, 12, align a tire on his bike, at a recent community event in southeast Fresno, Calif. As manager for Bici Projects, Rangel promotes cycling in the Latino community as a great way to get in shape. Farida Jhabvala Romero/KQED hide caption

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Farida Jhabvala Romero/KQED

Efforts aimed at teen drinking and driving help reduce deaths, but so do broader alcohol control efforts. Roy Morsch/Corbis RM Stills/Getty Images hide caption

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Roy Morsch/Corbis RM Stills/Getty Images

The Benicia Compliments page sprang up on Instagram as a platform for girls attending Benicia High School to tag each other in positive social media posts. Shawn Wen/Youth Radio hide caption

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Shawn Wen/Youth Radio

Teen Girls Flip The Negative Script On Social Media

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Nancy Jo Sales interviewed more than 200 teenage girls about their social media and Internet habits while researching her book American Girls. Knopf hide caption

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Knopf

Teen Girls And Social Media: A Story Of 'Secret Lives' And Misogyny

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The broad avenues of Pakistan's capital empty out after dark and prove irresistible to young drag racers. Asad Zaidi/Bloomberg via Getty Images hide caption

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Asad Zaidi/Bloomberg via Getty Images

On The Sleepy Streets Of Islamabad, A Late-Night Need For Speed

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Aniket Sathe, 15, is in a program that's trying to persuade India's boys to treat girls as their equals. Here he's pictured with his younger sister, Aarati, 12, waiting for the rain to stop before walking her to school. Poulomi Basu / VII Photo/for NPR hide caption

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Poulomi Basu / VII Photo/for NPR

Why This Boy Started Helping His Sister With Chores: #15Girls

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Yolanda Roberson, who directs the Empowerment program, teaches a class at a Boys and Girls Club in the Bronx. The classes are funded by the state of New York. Robert Stolarik/Courtesy of Youth Today hide caption

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Robert Stolarik/Courtesy of Youth Today

Physical exercise, diet and supportive counseling are the first steps of any weight-loss program. But sometimes that's not enough to take large amounts of weight off, and keep it off, doctors say. 13/Ocean/Corbis hide caption

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13/Ocean/Corbis

Surgery Helps Some Obese Teens In Battle To Get Fit

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Zanele Themba (on the left with the pink backpack strap) admires American teens because they "know what they want and go for it." She's posing with classmates from the Sapphire Secondary School who participated in a model U.N. in Johannesburg. Courtesy of Youth@SAIIA hide caption

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Courtesy of Youth@SAIIA

She's a teenager with a cellphone, surfing the Internet. And she's a Syrian refugee who works in the fields up to 14 hours a day. That's the new life of 15-year-old Fatmeh, seen here in the living room area of her family's makeshift shelter. Dalia Khamissy for NPR hide caption

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Dalia Khamissy for NPR

A Teen Who Fled Syria Had High Hopes For Her Life In Lebanon: #15Girls

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