Do you find yourself worrying all the time? Does it affect you productivity? You can try out this simple thing out. What you do is you set a specific time of the day when you will worry about things or think things over.
I this way you will be able to concentrate more on things that are current. A little tip you can use is have a journal with you all the time so that you can note all your worries. So that you can think it over in your worry break.
Try out this little trick and tell me how it works out for you.