Like HowStuffWorks on Facebook!

10 Foods for Paying Attention in Class


Eat your broccoli! Your mom didn't tell you that to be cruel. She knew what she was talking about.

This vegetable gives you lots of vitamin K for the growth of bones and for the clotting of blood. No, we're not suggesting you'll be sweating blood before final exams. But you've got to keep your body strong while you're taxing your brain. What's more, broccoli can make your brain more powerful, and it can sharpen your thinking [source: Hazell]. So, eat your broccoli! It's for your own good.

And finally, click ahead for a cool and crisp snack that'll give you a lift on your way to class.