>>11981995In order of importance
1. Sleep at least 8 hours every night, or at least 7 hours with a nap in the middle of the day
2. 30 minutes of cardio everyday (HIIT/LISS doesn't matter)
3. Eliminate high GI foods from your diet; carbs are fine but not processed carbs since
4. Following from (3), try to get at least 30g of fiber per day.
5. Read every day from a book (not a computer screen), it doesn't matter if it is non-fiction or fiction, do it for at least 30 minutes
You can also learn a new language for a substantial intelligence boost.
