A naturally occurring gene called Cyclin A2 (CCNA2), which turns off after birth in humans, can actually make new, functioning heart cells and help the heart repair itself from injury, including a ...

Health issues in other organ systems, like the kidneys or metabolic system – which includes how the body manages weight and blood glucose – can lead to heart trouble.

Scientists say the return to "standard time" is good for our health. But the time change can be disruptive and we must also adjust to more winter darkness. Syncing our habits to our body clock helps.