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

In a study published in Science, researchers reported that a single intramuscular injection helped mice and pigs recover after myocardial infarction, or heart attack. The treatment uses ...

For people who have survived a heart attack, the notion of one shot in the arm to help the heart heal, for weeks after, may seem far‑fetched. But thanks to a team of researchers, including a Texas A&M ...