It comes down to five things (in general; not specific to WM &amp; attention, but inclusive of):<p>1. Diet - Eat reasonably well.<p>2. Physical Exercise - Can be as simple as walking around the neighborhood; just stay active.<p>3. Stress Relief - Stress wears you down; get zen when you can.<p>4. Socialization - Just being around other people helps you stay sharp.<p>5. Brain Exercise - Different and <i>varied</i> challenges. Crosswords, puzzles, board games, etc. all help. Something that&#x27;s complex and engages your long-term planning engine is great: she likes strategy games (like Starcraft or Age of Empires). Basically, find ways to put your brain to work. And like physical exercise, variance is key.<p>The problem with Lumosity and #5 is that any &quot;improvement&quot; you see isn&#x27;t improvement in mental acuity, but efficiencies in repetition.