

High blood pressure when uncontrolled leads to stroke, heart attack, congestive heart failure, kidney damage, blindness, or other conditions.

Isolated systolic hypertension (ISH) is a condition where only the systolic blood pressure remains high, while the diastolic blood pressure remains within normal limits.Worldwide trends in hypertension prevalence and progress in treatment and control from 1990 to 2019 High blood pressure is responsible for 8.5 million deaths worldwide due to stroke, ischaemic heart disease, other vascular diseases, and renal disease ( 7 ✔ ✔Trusted Source.In 2010 it was estimated that 31.1% of adults (1.39 billion) worldwide had high blood pressure ( 6 ✔ ✔Trusted Source.Main reasons for high blood pressure are stress or mental tension, heredity, excess salt intake, over-weight, sedentary life-style, smoking and excess alcohol ( 5 ✔ ✔Trusted Source.When this continues to happen over time it harden the arteries and this increases the pressures even more further weakening the heart.

When the pressure is high the heart exerts more force to pump the same quantity of blood within the same time.
