There are two very important things to remember about workplace health. The two most important are that there is a difference between physical and mental health. There are the big differences between these two, but also big similarities, the biggest of which is that each will affect you personally. The greatest effect is that if you are physically hurt from sitting in a poorly developed chair for example, than the pain that you endure will be horrible. If you cannot get a better chair, than you need to talk to human resources about getting a better one. If they cannot get you a better one, then you need to contact your government, or get a better job overall.
See workplace safety is a huge thing. But even more importantly, it will allow you to be healthier, and enjoy your worjk more because you will not be pain. But also, there is something else to consider, and that is mental health. If you are in a job that you hate, or that is a stressful environment, you are going to slowly lose it, and eventually become depressed, Do not fear a change, you sometimes have to use your instincts whether they are right or they are wrong. I feel that the worst instinct that you could make is to not do something that you know is going to make you feel better. That is very important, and something that will make you even happier in the long run. If you are looking for more workplace safety tips check this out, it is a great resource in your arsenal to have the and know the differences in workplace safety.