You are here

Lauran Neergaard

Century-old TB vaccine may work better if given in a new way

WASHINGTON—Scientists think they've figured out how to make a century-old tuberculosis vaccine far more protective: Simply give the shot a different way.

In a study with monkeys, injecting the vaccine straight into the bloodstream dramatically improved its effectiveness over today's skin-deep shot, researchers reported Wednesday.

Superagers' brains offer clues for sharp memory in old age

WASHINGTON—It's pretty extraordinary for people in their 80s and 90s to keep the same sharp memory as someone several decades younger, and now scientists are peeking into the brains of these “superagers” to uncover their secret.

The work is the flip side of the disappointing hunt for new drugs to fight or prevent Alzheimer's disease.