Neuroscience

Getting a grip on hand function

Humans are unparalleled in the animal kingdom in hand dexterity. We use tools, hold pens, thread needles, and more, with little thought about the challenges the nervous system faces when precisely applying forces with the ...

Cardiology

Study identifies effects of secretin on cardiorenal function

The gastrointestinal hormone secretin—often associated with its role in the pancreas—increases and improves both heart and kidney function, according to a new study. Researchers write that their findings make secretin ...

Vaccination

FDA adds warning about rare reaction to J&J COVID-19 vaccine

U.S. regulators on Monday added a new warning to Johnson & Johnson's COVID-19 vaccine about links to a rare and potentially dangerous neurological reaction, but said it's not entirely clear the shot caused the problem.

Cardiology

Q&A: COVID-19 vaccination and heart issues

DEAR MAYO CLINIC: I have been hearing about an increase in the number of young people who are developing heart issues, including myocarditis, after being vaccinated for COVID-19. Can you explain this condition? I have a 15-year-old ...

Cardiology

Converting scar tissue to heart muscle after a heart attack

It is estimated that during a heart attack, one billion cells in the heart are lost. In the wake of the heart attack, the lost tissue is replaced by scar tissue, which can lead to heart failure, arrhythmia and death. In a ...

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