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Dr. Jonathan Chan

Dr. Jonathan Chan is on ABC News. Get Dr. Jonathan Chan's latest news stories and articles, connect with millions of users and join the conversation at ABC News.

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PHOTO: A doctor listens to a woman's heart with a stethoscope in this stock photo.
STOCK PHOTO/Getty Images

Mental health seen as possible new risk factor for heart disease: Why women are more affected

PHOTO: Marc Wagner, a researcher and activist, receives his second shot of an AstraZeneca COVID-19 vaccine during a clinical trial that began in late August 2020.
Courtesy UPMC

How activists pushed to include people with HIV in COVID-19 vaccine trials

PHOTO: Students line up on designated spots after recess before returning to their classrooms at G.D. Jones Elementary in Wausau, Wis., Dec. 7, 2020.
Jenn Ackerman/The New York Times via Redux, FILE

US sees 16% increase in kids with COVID-19: Here's what parents need to know

PHOTO: A woman works out on a treadmill.
STOCK PHOTO/Getty Images

5 steps you can take now to boost your fitness and avoid severe illness from COVID-19

PHOTO: In this stock photo, mother and daughter decorate a gingerbread house during the Christmas season.
Ariel Skelley/Getty Images

Making Christmas happen: 6 tips to get your family through the 2020 holiday season

PHOTO: Stock photo of a young mother holding her newborn.
STOCK PHOTO/Getty Images

Black mothers are twice as likely to die in childbirth. Now, there's a government plan to combat maternal mortality.

PHOTO: Kindergarten students Amelia Ramirez, front, and Naomi Cooney, back, distance themselves while working in the classroom at Chadwick School in Palos Verdes, Calif., Nov. 5, 2020.
Al Seib/Los Angeles Times via Getty Images

What to know about children and COVID-19 vaccines

PHOTO: Dayka Robinson, left, and Dr. Soyini Hawkins, a minimally invasive gynecological surgeon, both suffered from fibroids.
ABC

This doctor helps provide more options for women suffering from fibroids

PHOTO: Stock photo of a woman with skin damage after wearing a face mask.
STOCK PHOTO/Getty Images

How to treat 'maskne': Dermatologists share how to treat and prevent

PHOTO: The hands of a patient suffering from Raynaud's Syndrome are pictured in this image. In this case, the disease was caused by work with a jackhammer, and the constant vibration experienced on the hands and arms.
Smith Collection/gado/Getty Images

Color changes in fingers and toes may be 1st sign of Raynaud's syndrome