Memory and concentration are not just issues for ‘seniors.’ Losing track of what you were doing or simply forgetting what you were about to say are very real problems for everybody. It plagues everyone from students preparing for exams to professionals wanting to look sharp with everything at their fingertips, and older people simply forgetting stuff over time. There are a number of ways in which one can stay mentally alive — starting with a healthy body and an active mind. Here are some tips.