Here’s your latest brain-health intelligence:If you want to think more clearly and sharpen your memory — start by sharpening your sense of smell. According to researchers at UC Berkeley, a simple daily “smell workout” can boost cognitive function more effectively than brain games. It may sound simple, but this kind of “smell training” rewires the parts of the brain responsible for quick thinking and memory. Why it works:Your sense of smell is deeply connected to the brain’s memory center. Smelling your way to sharper thinking might be the easiest — and most enjoyable — health habit you try this week.