Add Yahoo as a preferred source to see more of our stories on Google. One experimental injection helped mice and pigs heal after heart attack by boosting a protective heart hormone. (CREDIT: ...

A single injection of a new, experimental form of self-amplifying RNA prolonged hormone synthesis for many weeks, healing the heart in pigs.

A new study shows a single RNA injection may help repair heart damage after a heart attack, reducing scarring and improving ...

For a heart just damaged by a blocked artery, timing matters. So does access. That is what makes a new experimental treatment stand out: instead of being delivered directly to the heart, it is ...