Katie Kindelan, ABC News

Peloton instructor reveals breast cancer diagnosis at age 35

Courtesy of Peloton(NEW YORK) -- A Peloton instructor is opening up for the first time about...

Study finds autism rates have tripled among young kids: What to know

mrs/Getty Images(NEW YORK) -- Autism is on the rise among young children, according to a new...

What to know about PFAS after Thinx underwear settles class-action lawsuit

Nicky J Sims/Getty Images, FILE(NEW YORK) -- Human-made chemicals known as PFAS are back in the...

Conjoined twin sisters undergo successful surgery to separate

Courtesy of Cook Children's Medical Center(FORT WORTH, Texas) -- Twin sisters who were conjoined at the...

FDA proposes new limits on how much lead is allowed in baby food

Tetra Images/Getty Images(NEW YORK) -- Nearly one year after two congressional reports found heavy metals such...

Princess Eugenie expecting second child with husband Jack Brooksbank, Buckingham Palace confirms

Samir Hussein/WireImage(LONDON) -- Princess Eugenie, granddaughter of the late Queen Elizabeth II, is pregnant. Eugenie, 32, and...

Two dance studios find themselves at center of tragedy in deadly mass shooting

ABC News(LOS ANGELES) -- Two dance studios that provide space for joy, celebration and movement for...

Ashley Tisdale shares struggle with hair loss: What to know about alopecia

Peter Dazeley/Getty Images(NEW YORK) -- Actress Ashley Tisdale is sharing details of her struggle with alopecia,...

Ready to get your family healthy in 2023? See which family-friendly diets are best

CRISTINA PEDRAZZINI/SCIENCE PHOTO LIBRARY/Getty Images(NEW YORK) -- For the first time ever, an annual ranking of...

Four unexpected benefits of giving up alcohol for Dry January

Westend61/Getty Images(NEW YORK) -- When the ball dropped at midnight on New Year's Eve, some people...