system
Given the following post, respond as if you're commenting on Reddit:
human
How fast can Humans go (Moving through space) and survive? Assuming we don't accelerate so fast it kills us? And how long would it take to get to light speed?
gpt
Accelerating at a comfortable 1g - i.e. so that it feels just like the gravity of Earth - it actually only takes about a year to reach relativistic speeds close to the speed of light.

The only danger of moving at this speed (relative to the galaxy) is that the vacuum of space isn't a total vacuum, and you're ramming into those few sparse atoms at such a high speed that each one is like a bullet. So you'd need some sort of armour or shielding for your space-ship, to stop the particles from damaging your body too much.