Thankfully, there have been happier stories that she's been sent to report on for Breakfast - Ellen MacArthur's return after breaking the round-the-world record, when London was given the 2012 Olympics, the heart-warming recovery of Danny Biddle, who nearly died in the July 7 bombings, returning to hospital to thank staff for saving his life.

BBC: News - Breakfast - Sian Williams

The short-term risk of surgery can affect patients' treatment decision, especially given the prospect of open-heart surgery and weeks of recovery, compared with a less-invasive angioplasty.

WSJ: Heart Bypass Surgery May Offer Lower Death Risk Than Angioplasty

Dr Keating said that beefing up the regenerative ability in humans might allow it to compete more effectively against the scarring mechanism - and perhaps allow a more complete recovery from heart attack damage.

BBC: Zebrafish hold clue to mending hearts