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Siverfale)Of course, things deteriorate. Over a person's lifetime, everything gradually *deteriorates*)))
But there are main rules for working at a computer!
I have defined them as follows:
1) The most important thing is a good monitor! I won't even talk about CRT monitors anymore =)
Because the main *component* of your PC is the monitor. Let the system unit be an old one, but the monitor must be good. These are your eyes. I advise you to buy one for at least 11,000-12,000 rubles.
2) Proper lighting!!! Choose it for your eyes, feel what is most pleasant.
3) 1 hour of work = 5 minutes of rest!!! Walk around the room, do some stretching!
4) System unit at the bottom
5) Try to minimize the noise level as much as possible.
6) Don't get nervous!!! Everything you see on the internet isn't worth it))))