5-min breathing workout lowers blood pressure as much as exercise, drugs (2021)
> “We have identified a novel form of therapy that lowers blood pressure without giving people pharmacological compounds and with much higher adherence than aerobic exercise,” said senior author Doug Seals, a Distinguished Professor of Integrative PhysiologyI laugh at the term "novel" here, and am frustrated that we feel we need to make up a new technique and a new gadget when we could be teaching breathing practices that have been around for millenia. Try "nadi shodhana" or alternate-nostril breathing, using one's own hand to apply pressure (see the appendix of the book Breath by James Nestor; though I'm sure there are other references, that's what I've read and feel confident recommending).