In a clinical trial at Tufts University, three cups of hibiscus tea a day for six weeks lowered systolic blood pressure by about seven points. But in 2021, the strictest reviewers in medicine said the evidence is still insufficient. We look at both halves of the story: the trials, the reviews, how the tea was brewed in the study, and who should be careful.
Old remedies, tested by modern science.

00:00 Introduction
00:57 A red drink with many names
02:40 The trials
05:55 The part most videos skip
07:43 How it was used in the studies
09:10 Who should be careful

Do you drink hibiscus? Karkadeh, jamaica, sorrel, sour tea? Tell us in the comments what it's called where you grew up.

#hibiscustea #bloodpressure #naturalremedies #healthyaging #over60

Music:
"Clear Waters" Kevin MacLeod (incompetech.com) — Licensed under Creative Commons: By Attribution 4.0 — https://creativecommons.org/licenses/...
"Morning" Kevin MacLeod (incompetech.com) — Licensed under Creative Commons: By Attribution 4.0 — https://creativecommons.org/licenses/...
"Meditation Impromptu 01" Kevin MacLeod (incompetech.com) — Licensed under Creative Commons: By Attribution 4.0 — https://creativecommons.org/licenses/...
"Meditation Impromptu 02" Kevin MacLeod (incompetech.com) — Licensed under Creative Commons: By Attribution 4.0 — https://creativecommons.org/licenses/...
"Dreamer" Kevin MacLeod (incompetech.com) — Licensed under Creative Commons: By Attribution 4.0 — https://creativecommons.org/licenses/...
"Evening" Kevin MacLeod (incompetech.com) — Licensed under Creative Commons: By Attribution 4.0 — https://creativecommons.org/licenses/...