Each week, I include a Brain Tease to challenge that three-pound lump of gray matter hiding behind your forehead, since brain teasers can stimulate multiple areas of your brain, especially those responsible for working memory, pattern recognition, and problem-solving.

Memories. Those recollections from the past — including the embarrassing moments, which I would like to forget unless I want a good laugh at myself.

For most of us, memory loss is normal, but it can also be frustrating and confusing. Why can’t I remember where I left my phone when I can remember some obscure fact from two weeks ago? And why does it seem like whenever I remember a new name, my brain discards another to make room?