Open heart surgery appears to be safer in the afternoon because of the body's internal clock, scientists have said. The body clock - or circadian rhythm - is the reason we want to sleep at night ...

open heart surgery could be done for long periods—much longer than four minutes—and they didn't die. He showed that at lower temperatures, the tissues of the body and brain didn't need as much ...

The 7-year-old boy left fighting for his life when drones crashed and then dive-bombed a Florida Christmas show has been forced to have open-heart surgery, according to his distraught family.

Mother Martha Penturf holds her 4.5-month-old son Atlas, who had open heart surgery in November performed by Dr. Kristine J. Guleserian, as nurse practitioner Casey Cox opens his shirt showing his ...