Smaller than a grain of rice and created from stem cells, organoid connected to sensors reveals previously unknown aspects of cardiac physiology

Researchers find most of 200 heart attack patients had important gut bacteria missing and believe restoring it may keep hearts healthier; wider trial planned

Discovery, made through ‘peek in virus's black box,’ could lead to therapies that halt havoc wrought on vascular system, say Tel Aviv University scientists

Many who undergo cardiac events fear bursts of physical exertion, but regular sexual activity improves self-perception and is linked to better survival rates, 3-decade study finds

Woman taken to Beersheba's Soroka after suffering cardiac arrest; hospital: 'Her condition is very serious'

Study examines alternative to current blood-testing methods, with doctors saying results in minutes, instead of an hour, can be life-saving when time is critical

Delaying ER arrival due to virus fears cause 60% increase in worst-case scenarios, but Israelis buck world trend of staying away from hospital completely

Front-runner Democrat candidate promised comprehensive medical records after hushed up incident last October, but eventually only published letters from 3 doctors attesting fitness

Chen Danziger, 29, in her fifth month, collapses outside of her school in Beit Shemesh; two students keep her heart pumping until medics arrive

Denying health woes, White House says US president's November 17 hospital visit was routine; Trump tells supporters doctors praised his 'gorgeous chest'