Hello.
It must be difficult for you with things as they are now. I appreciate the fact that you are working on the same. It is important to understand that if there is any particular reason or factor that is making you feel unable to concentrate. It is also necessary to look at what kind of information that you are not able to process. If it is work related or if you feel this is in regard to all information.
Next Steps
Kindly analyse if there any kind of stress or anxiety that you are going through.
Health Tips
Work on processing information that you are interested in and that you are not interested. Analyse if there is a difference. You can talk to a counselor which will help you to understand if there is any particular reason as such. A counselor can help you with ways that can help you to process and remember information better.