What do systematic reviews say?

Any antihypertensive drug vs placebo or no treatment

Antihypertensive drug probably leads to lower cerebrovascular mortality and morbidity Mean duration of 3.7 years compared with placebo or no treatment (moderate certainty).

• Pharmacotherapy for hypertension in adults 60 years or older 2019 · Cochrane Headline outcomes only
  RR 0.66 [0.59, 0.74]
  13 studies · 26042 participants
  Moderate