Many studies say that sitting is dangerous. Sitting for too long increases your risk of chronic health problems, such as heart disease, diabetes and even cancers.
Additionally, the risk of both anxiety and depression is higher in people that sit more.
Maybe you already have back, neck or hand pain? Even if you do not, if you have a sedentary job, you will probably have a problem related to the sedentary lifestyle in the future. Don't wait until this moment!