Dr. James, General Physician In Kochi offers a comprehensive range of services related to family health and diabetes. If hypertension is left untreated over a long period of time, it will cause progressive changes in the blood vessel walls and the heart. This ultimately results in permanent destruction. In the majority of the cases, we will only come to know of this when a catastrophic event like a heart attack or stroke presents itself for the first time. Hence, it’s always better to keep a close eye to catch the disease early.