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Celebrities use this common heart medication to calm anxiety. Should you try propranolol?

by Alena Kuzub
A chest x-ray showing a portion of a lung inflamed with red light.

Five things to know about tuberculosis as it surfaces in Maine and North Carolina

by Cynthia McCormick Hibbert
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Sites contaminated by toxic ‘forever chemicals’ are much more widespread than previously thought, researchers find

by Cody Mello-Klein
A close-up of a COVID vaccine drawn from a vial.

Can you get the updated COVID shot in your state?

by Cynthia McCormick Hibbert
Dr. Joseph Ladapo gesturing while standing in front of a microphone at a podium speaking. He is wearing a suit and tie and standing in front of a crowd of people, including Gov. Ron DeSantis.

Florida’s plan to phase out childhood vaccination mandates upends decades of public health policy, Northeastern experts say 

by Cynthia McCormick Hibbert
A screwworm larva with its mandible shown against a red background.

Parasitic diseases researcher talks ‘flesh-eating’ screwworm infection after first confirmed human case in US

Headshot of Tanner Stening
by Tanner Stening
Close-up of the right blue eye of a person. They are wearing contacts.

Millions of people have macular degeneration. Could this training model help restore their sight?

by Cynthia McCormick Hibbert
Two beachgoers pictured heading toward the sand.

What is the potentially deadly flesh-eating bacteria and why can infections be so hard to treat?

by Cynthia McCormick Hibbert
Several students sitting on the ground reaching for their toes as part of a fitness program.

If reestablished to educate kids, the Presidential Fitness Test could address obesity in American children

Headshot of Cyrus Moulton
by Cyrus Moulton
A stack of boxed Moderna COVID-19 vaccines.

What are mRNA vaccines? What is a universal vaccine — and how close are we to developing one? 

by Cynthia McCormick Hibbert
A collection of personal care products shown against a bluebackground.

What are phthalates and should you avoid them?

headshot of Erin Kayata
by Erin Kayata
A sharp object set against a navy blue background.

5 things to know about the summer COVID surge — including ‘razor blade throat’

by Cynthia McCormick Hibbert