Patti Neighmond Award-winning journalist Patti Neighmond is NPR's health policy correspondent. Her reports air regularly on NPR newsmagazines All Things Considered, Morning Edition, and Weekend Edition.

Surface stains from things like coffee, tea, tobacco and red wine can be lightened with routine brushing, flossing and professional cleaning in the dental office. But deeper stains that come with age and damage to the tooth require bleaching agents or veneers. Katherine Streeter for NPR hide caption

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Katherine Streeter for NPR

Navigating The 'Aisle Of Confusion' To Whiten Your Teeth

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Girls are much less likely to be diagnosed with autism, but that may be because the signs of the disorder can be less obvious than in boys. And girls may be missing out on help as a result. Sara Wong for NPR hide caption

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Sara Wong for NPR

'Social Camouflage' May Lead To Underdiagnosis Of Autism In Girls

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Mammography has helped increase the early detection of breast tumors. Now, researchers say, the goal is to discern which of those tumors need aggressive treatment, including chemotherapy or radiation after surgery. Chicago Tribune/Getty Images hide caption

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Chicago Tribune/Getty Images

Tumor Test Helps Identify Which Breast Cancers Don't Require Extra Treatment

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A change in guidelines for breast cancer surgery has resulted in fewer women having to undergo repeat surgeries. Martin J Cook/Getty Images hide caption

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Martin J Cook/Getty Images

Fewer Women Need To Undergo Repeat Surgery After Lumpectomy

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Researchers had participants wear the fitness trackers while walking or running on a treadmill and while riding an exercise bike to determine how well the trackers measured heart rate and energy expenditure. Paul Sakuma/Courtesy of Stanford University School of Medicine hide caption

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Paul Sakuma/Courtesy of Stanford University School of Medicine

Fitness Trackers: Good at Measuring Heart Rate, Not So Good At Measuring Calories

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Hannah Vanderkooy demonstrates the napping pod she uses at Las Cruces High School in Las Cruces, N.M. Joe Suarez for NPR hide caption

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Joe Suarez for NPR

Stressed-Out High Schoolers Advised To Try A Nap Pod

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Yo-Yo Dieting May Pose Serious Risks For Heart Patients

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Kristen Uroda for NPR

Is It Time For Hearing Aids To Be Sold Over The Counter?

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A study suggests spinal manipulation can reduce lower back pain for some people. sanjagrujic/Getty Images/iStockphoto hide caption

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sanjagrujic/Getty Images/iStockphoto

Spinal Manipulation Can Alleviate Back Pain, Study Concludes

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A new study finds that being overweight may decrease a person's life span. Zena Holloway/Getty Images hide caption

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Zena Holloway/Getty Images

Carrying Some Extra Pounds May Not Be Good After All

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Kathleen helps her son Gideon get his glasses on. Part of Gideon's brain was damaged during development, which effects his vision. Caitlin O'Hara for NPR hide caption

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Caitlin O'Hara for NPR

For Gideon, Infection With a Common Virus Caused Rare Birth Defects

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Even if you don't get an annual pelvic exam, every woman age 21 to 65 who has a cervix should get a Pap smear every three to five years, federal health officials advise. Tetra Images/Getty Images hide caption

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Are Routine Pelvic Exams A Must? Evidence Is Lacking, Task Force Says

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Models Are Still Pressured To Be Ultra-Thin, Survey Says

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Several new studies show mixed results for men taking testosterone supplements. Garo/Phanie/Passage/Getty Images hide caption

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Garo/Phanie/Passage/Getty Images

Does Testosterone Improve Older Men's Health? It Depends

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