A promising advance from scientists in Germany offers a potential solution – a "heart patch" made from stem cells that could provide a bridge to transplantation, or maybe even a permanent fix.

In the future, this device could be implanted in hearts damaged by heart attacks to replace dead cells – acting as a kind of patch. For now, these are purely laboratory experiments, but this is ...

The Lief is a patch that sticks to your chest and monitors your heart rate and breathing rhythm. If it detects an imbalance it vibrates to bring you back to normal. The product is currently ...