This 5-Minute Breathing Exercise Lowers Blood Pressure as Much as Drugs or Exercise

July 2, 2021

In the space of just five minutes a day – about the time it takes to take 30 deep breaths – a simple breathing exercise can lower blood pressure, boost vascular health, and could sharply reduce your chances of developing serious cardiovascular disease.

It almost sounds like an infomercial (and we didn’t even mention the part about how you can do this in the comfort of your own home, on the couch while watching TV).

But this is no gimmick. According to new research, it’s the real deal: a highly convenient and easy-to-perform technique that could improve the health of millions of people, especially older adults with high blood pressure and cardiovascular problems.

“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,” says integrative physiologist Doug Seals from the University of Colorado Boulder.

It’s called Inspiratory Muscle Strength Training (IMST), a form of physical training specifically designed to exercise the diaphragm and other breathing muscles, using a handheld device that provides resistance when you inhale through it (kind-of like an asthma puffer that works against you).

IMST was first pioneered decades ago as a way to help critically ill respiratory disease patients strengthen their independent breathing functions, using only mild or moderate resistance in the device.

More recently, however, research has shown that the same technique – when paired with high resistance, and in short sessions only lasting five minutes a day – can deliver a range of health benefits, improving sleep in patients with sleep apnea, lowering blood pressure, and reducing stress perception.

To investigate further, a team led by integrative physiologist Daniel Craighead from the University of Colorado Boulder conducted a clinical trial in which 36 healthy adults aged between 50 and 79 trialed IMST for a period of six weeks.

In this cohort, half the group were randomly assigned to do high-resistance IMST, using devices that make it significantly more difficult to inhale through, giving your breathing muscles a higher-intensity workout.

The other half of the group also did IMST for six weeks, but were effectively given a placebo: a sham treatment that used low-resistance versions of the device.

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