3 articles
As AI takes over complex reasoning tasks, the average person's daily cognitive effort is declining. Cognitive fitness is no longer a luxury — it's a necessity.
Science · 8 min readYour reaction time peaks in your early 20s and declines from there — but the decline isn't inevitable. Here's what the research says about age, brain speed, and training.
Science · 12 min readCognitive decline doesn't start when you think it does — and it's not inevitable. Here's what the research actually says about brain aging after 40.