A new study explores “heartbeat consumption” — a metaphorical idea of managing daily heartbeats like a budget. While not a proven health metric yet, it highlights how heart rate patterns can reflect physical, emotional, and overall cardiovascular well-being

Birmingham: Imagine if your smartwatch didn’t just tell you how many steps you’ve walked or calories you’ve burned, but how many heartbeats you’ve “spent” each day.

According to a recent study, that number might one day become another marker of health – a “heartbeat budget” that could, in theory, tell you if you’re overspending your most vital resource.

The idea of a lifetime heartbeat limit has floated around for decades. It’s based on an old myth that the heart comes with a fixed number of beats, often said to be about 2.5 billion

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