Dr. Jonathan Chan

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PHOTO: A sign marks the entrance to the federal Centers for Disease Control and Prevention (CDC) in Atlanta, on Oct. 8, 2013. — David Goldman/AP

CDC vaccine advisory committee recommends against flu vaccines containing thimerosal

PHOTO: Health and Human Services Secretary Robert F. Kennedy Jr. testifies before the House Energy and Commerce Committee Health Subcommittee, June 24, 2025 in Washington. — Kayla Bartkowski/Getty Images

RFK Jr. appoints longtime anti-vaccine ally Lyn Redwood to HHS position

PHOTO: A doctor looks at a brain x-ray. — Luis Alvarez/Getty Images

US cancer deaths decrease, but global cases expected to soar, new report warns

PHOTO: Steve Bannon speaks during the Semafor World Economy Summit 2025, April 23, 2025 in Washington. — Kayla Bartkowski/Getty Images

MAGA star Steve Bannon plays outsized role in Trump's Iran decision: Sources

PHOTO: A person collects rubbish on a beach. — Stock Photo/Getty Images

Coastal areas with high microplastic levels linked to higher rates of diabetes, heart disease, stroke

PHOTO: Israeli Prime Minister Benjamin Netanyahu speaks with ABC News, June 16, 2025.

Netanyahu tells ABC he's not ruling out taking out Iran's Supreme Leader Ali Khamenei

PHOTO: Ananda Lewis visits Hallmark's "Home & Family" at Universal Studios Hollywood on March 21, 2019 in Universal City, California. — Paul Archuleta/Getty Images

Ananda Lewis chose 'natural' cancer care over conventional treatment. Many others do too -- and it's risky

PHOTO: President Donald Trump attends the Congressional Picnic at the White House in Washington, D.C., June 12, 2025. — Nathan Howard/Reuters

Trump tells ABC Israel strikes on Iran 'excellent' and warns 'more to come'

PHOTO: A person's blood pressure appears to be taken in this undated stock photo. — STOCK PHOTO/Getty Images

Exposure to 'forever chemicals' before birth linked to higher blood pressure in kids

PHOTO: Fay Brake co-owner of EJB's Gun Shop shows a pistol to customers at the store in Capitol Heights, Maryland, March 14, 2023. — Andrew Caballero-reynolds/AFP via Getty Images

Gun deaths among children surge after states loosen firearm laws, new study finds

PHOTO: President Donald Trump attends a meeting with the Fraternal Order of Police in the State Dinning Room of the White House, June 5, 2025, in Washington. — Alex Brandon/AP

Trump tells ABC Musk 'lost his mind,' as CEO's dad says 'make sure this fizzles out'

PHOTO: A vial of the measles, mumps and rubella vaccine is on display at the Lubbock Health Department, on Feb. 26, 2025, in Lubbock, Texas. — Mary Conlon/AP

Most US counties saw decline in childhood MMR vaccination rates: Report

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