Diseases, Conditions, Syndromes

Q and A: Dupuytren's contracture

DEAR MAYO CLINIC: I have a painless mass in my palm that has been getting larger over the past year or so. It is firm, and when I extend my fingers, I feel it stretch like it is under tension. What is this mass, and how do ...

Vaccination

Pfizer vaccine goes further if right needle used: EU agency

The EU's medicines watchdog said Friday that six doses of the Pfizer-BioNTech coronavirus jab can be extracted from each vial if the correct needles are used—increasing the number of people who can be vaccinated with available ...

Medical research

Robotic, flexible needle for more effective cancer treatment

Wood wasps use their stingers to drill into wood and lay their eggs inside trees. The resulting damage to wood that may end up as furniture and other structures in our homes might lead most of us to think of them as pests. ...

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