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Introduction

To study the influence of microgravity, radiation and confinement in long-duration spaceflight, NASA selected twins Scott and Mark Kelly for a unique mission. Scott went to space while Mark was chosen as the control to stay on earth for comparison.

The one year long space mission spanned across March 27, 2015 till March 1, 2016.

Although, biological changes were seen across varying aspects, most of them reverted back to preflight state after a few months.

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NASA conducted a study to assess the biological effects that long term space exploration can have on humans. 

His gut microbiome showed altered bacterial proportions, although the overall bacterial diversity was intact.

A decline in cognitive efficiency was reported.

Under stressful situations, normally, there is a change in genetic expression.

Telomeres, are the “caps” that protect the ends of DNA strands.

This study was in no way conclusive or predictive, because of the very small sample size(just one pair of twins), a short study period, just to name a couple of reasons.

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I have been researching about the future of healthcare and how it would change over the coming years with the evolving technologies and the growing population. This context may be way into the future, but it is interesting to consider how space medicine can be possible, as you need more than a rocket to venture out in space!

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