So as not to forget 😊, some obvious-and-good suggestions from Jancee Dunn's NYT essay "Phone. Keys. Wallet … Brain?:

• limit multitasking
• reduce stress
• get adequate rest
• eat healthy
• exercise

_{(cf Parallel Processing Paradox (2004-09-24), Mediocre Multitaskers (2009-09-01), Mantra - Do Less, Better (2016-12-14), Memory Improvement (2022-07-10), ...) - ^z - 2023-09-12}