Depression. Not good present of mind.

Hello Friend, Good that you are seeking a help here. Reason for lack of a memory or concentration is distraction. If your mind is pre occupied with some worries of past or anxious thoughts about future, you tend to ignore the present!! and the  mindfulness. Be positive. Just observe and analyze what's happening around you in the recent times in terms of work or career related stress or pressure, personal or relationship related issues, financial issues, lifestyle disorder etc. Any of these could be triggering such anxiety or stress. By adopting certain stress or anxiety management techniques through psychotherapy sessions or few lifestyle routines change, excersise routines, few dietary changes you can overcome this  problem. Be positive. You will be alright soon. Take a help from any mental health professional like us to assess your suitation and get you right recommendation.