Hypertension is known as the silent killer because you may not have symptoms but left untreated it can be devastating to the body with no warning. You may experience a headache, blurred vision, or a nose bleed as a sign, your blood pressure is elevated. The worst-case scenario, one can experience with hypertension is a stroke or myocardial infarction, or heart attack.
Some of the signs of a heart attack include chest pressure, or discomfort, shortness of breath, nausea, and sweating.
Hypertension can be managed naturally through exercise, diet, (more fruits and vegetables), reduction in salt intake, stop smoking, and control your stress. Seek out your physician for screening and additional treatment. You may need medication.

Reference
Mayo Clinic, (2021). Hypertension. Retrieved from https://www.mayoclinic.org/diseases-conditions/high-blood-pressure/diagnosis-treatment/drc-20373417