Do you have back problems? Well, did you know that almost 90% of all back problems come from bad mattresses! So how do you know when your mattresses has gone bad? The best thing that you can do is look for a sagging mattress. When you lay in your bed, can you feel it dip in the middle? If you can, this could be what's causing your back problems. Studies show that people that have mattresses that dip like that are fighting with them all night. In fact, your muscles tighten up so that you do not fall into the dip. Over time, this can actually cause extra strain on your back muscles. The best thing that you can do is go out and get yourself a new mattress. If you do not, you could be dealing with back problems all of your life. Let's face it, that is something that no one wants to have to deal with! So throw out your worn out mattress today and buy a new mattress!