Especially for long periods of time.
Okay, sure, sitting is comfortable and is sometimes fun (like in the above picture), but it's not that great for you.
The American Journal of Preventive Medicine is dedicating their entire August issue to the "many aspects of the problem of sedentary behavior" because something needs to change.
Since we're glued to our computers, nowadays, our lifestyle has become sedentary. Basically, we live on a chair. Or a bed - which is bad for the back and the heart.
Experts say that adjustable desks should do the trick. However, those can be costly, so why not just use crates and books to make your computer monitor adjustable at eye level? Standing up every 30 minutes can do wonders for your circulation.
Or maybe just go for a walk.
[Image via WENN.]