By Dr Rakesh Ayureshmi, Ayureshmi Ayurveda Wellness Centre, Kollam, Kerala, India What if one of the most powerful indicators of your heart’s health wasn’t an expensive scan or a treadmill test—but a simple number you can calculate in 10 seconds? Rate Pressure Product (RPP) is exactly that. At a time when heart disease remains the world’s leading killer, we often depend only on cholesterol reports, ECGs, and angiograms. Yet the heart whispers its stress level much earlier—th