Dr. Jonathan Chan

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Hajarah Nalwadda/Getty Images, FILE

Potential foreign aid cuts could lead to millions of HIV infections, deaths: Study

PHOTO: woman getting blood drawn — STOCK IMAGE/Getty Images

A common blood test for ovarian cancer is more likely to fall short for Black and Native American women

PHOTO: In this photo illustration the TikTok app is displayed on a smartphone screen, on Jan. 25, 2025. — Sopa Images/LightRocket via Getty Images, FILE

TikTok is full of ADHD advice, but nearly half of it is misleading, study finds

PHOTO: A person walks past a Transgender flag during The TransFest 2023 in the Queens, New York, July 29, 2023. — Leonardo Munoz/AFP via Getty Images

Gender-affirming care may lower depression risk, study finds, but many are losing access

PHOTO: A young girl holds a slush. — Rafael Ben-ari/Getty Images

Sugar-free slushies can make young kids seriously sick, new study suggests

PHOTO: President Donald Trump addresses a joint session of Congress at the Capitol in Washington, Tuesday, March 4, 2025. — Alex Brandon/AP

Trump said childhood cancer rates have increased 40% since 1975. Here's what the data shows

PHOTO: A toddler eating peanut butter. — STOCK PHOTO/Getty Images

Some kids may successfully eat trigger foods after stopping anti-allergy med, early study suggests

PHOTO: A vial of a Measles, Mumps, and Rubella (MMR) virus vaccine at Kaiser Permanente Redwood City, in Redwood City, Calif., April 12, 2019. — Yalonda M. James/The San Francisco Chronicle via Getty Images

5 key questions about measles answered amid outbreak

PHOTO: In this Oct. 14, 2015, file photo, the U.S. Food and Drug Administration campus is shown in Silver Spring, Md. — Andrew Harnik/AP, FILE

FDA cancels pivotal advisory meeting about next season's flu vaccine

PHOTO: The sun flares next to the sign marking the headquarters building of the US Department of Health and Human Services on Feb. 9, 2024, in Washington, DC. — J. David Ake/Getty Images, FILE

Major medical groups push back against Trump administration's 'sex-based definitions'

PHOTO: Semaglutide is seen in this undated stock photo. — STOCK PHOTO/ADOBE STOCK

Weight loss drug semaglutide may reduce alcohol cravings, heavy drinking and smoking, new study finds

PHOTO: Tesla, SpaceX and X CEO Elon Musk arrives for the Inauguration of Donald J. Trump in the U.S. Capitol Rotunda, Jan. 20, 2025 in Washington. — Chip Somodevilla/Pool via Reuters

Treasury Dept. gives Elon Musk's team access to federal payment system: Sources

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