A new study found that even “normal but high” blood pressure levels—numbers that are technically still within the normal range—can cause early, silent damage to the heart. Researchers observed that the heart muscle can begin to thicken and stiffen long before any symptoms appear, increasing future risk of heart disease. The findings suggest that blood pressure on the higher end of normal may not be as harmless as once believed, and that long-term monitoring is important even when readings don’t meet the threshold for hypertension. https://www.aol.com/news/researchers-between-blood-pressure-heart-164644268.html