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By Stephen Luntz

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The Heart of Grief
Coral Killer Diagnosis
Crabs Take Direction
Cancer Prognosis Predictor
Antarctic Map Fills in the Gaps
Koalas Bellow Their Appeal
Remnants of Gondwana
Endangered Species off the List
Cystic Fibrosis Trial Success
Record-Breaking Stellar Jet
It’s Light, But Not As We Know It

The Heart of Grief

A broken heart isn’t just a metaphor based on ancient anatomical ignorance. The loss of a loved one really can increase cardiac risk, and a collaboration of Sydney universities and medical institutions has investigated how.

Dr Anastasia Mihailidou of the Sydney Medical School reports that in a study of 63 people who lost a spouse or parent all of them had heightened heart rates and blood pressure variability 2 weeks afterwards.

Six months after the death, heart rates were back to normal but blood pressure continued to fluctuate over the course of 24 hours. Remarkably, this was the case for all members of the group, with no subgroup returning to normal. Mihailidou suggests this may be indicative of people not sleeping well.

The results...

The full text of this article can be purchased from Informit.