MarketWatch ยท Jul 27, 2026 21:37 UTC Stop snacking. Restricting eating for only 8 or 9 hours a day may keep your mind sharp. Read full story on MarketWatch Share AI disclosure Summary A new study found cognitive improvements for shorter durations of eating Original reporting Open original source Read full article on MarketWatch Get the AFBytes Brief Major stories, AI-assisted analysis, and what to watch next. Free, monthly, unsubscribe anytime. Subscribe