Suffering from low blood pressure? Do an hour or more of daily exercise and stay hydrated to improve the condition and control fainting or dizziness episodes, finds a NASA-funded study on astronauts.

The study is the first to examine the condition called "orthostatic intolerance" during daily activities when the astronauts returned home.

Space Research Inspires Health Innovations

A similar condition is also diagnosed in patients as Postural Orthostatic Tachycardia Syndrome (POTS), which is predominantly found in women. The dizziness that it causes is life-changing and can be debilitating.

Dr Levine has helped one Dallas patient return to a normal life.

For the study, published in the journal Circulation, the researchers used a small blood pressure cuff on astronauts' finger to measure blood pressure and every heartbeat.

These measurements were taken during multiple 24-hour periods before, during, and after six months of spaceflight. Twelve astronauts were involved – eight men and four women.

This treatment is just one of the ways medicine, heart research, and space travel have connected throughout Dr Levine's work. The successful moon landing in 1969 was an early influence on his career.

The early interest led Dr Levine into space research within the field of cardiology, and he began working with the space shuttle programme in 1991.

"We put a catheter in an astronaut's heart – it was former UT Southwestern faculty member Dr Drew Gaffney – and sent him into space. It was probably the most expensive right-heart catheterization ever," Dr Levine reminisced.

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