Mayo Clinic researchers have developed a pioneering method to mend damaged hearts without open-heart surgery, an advance that ...

Mayo Clinic researchers have developed a pioneering method to mend damaged hearts without open-heart surgery, an advance that could one day transform the treatment of heart failure.

Massachusetts Institute of Technology engineers developed a drug-delivery patch—a band-aid of sorts — to help patients heal after a heart attack. It delivers drugs to promote tissue healing and the ...