Exercise and BDNF: What the Evidence Shows for Your Brain
Exercise raises BDNF and improves thinking in thousands of trials. What the evidence shows, its caveats, and which types of exercise help most.

Exercise raises BDNF and improves thinking in thousands of trials. What the evidence shows, its caveats, and which types of exercise help most.

Sleep loss slows attention first and reasoning last. Here is what the studies found on six-hour nights, catch-up sleep, extra sleep and caffeine.

ADHD focus problems aren’t a willpower failure — they’re a difference in executive function. What the condition actually is, why “try harder” fails, and which supportive strategies genuinely help alongside professional care (which always comes first).