You don't need 'smart drugs' to improve your academic performance. - Just cut down on salt and salty food.

You don't need 'smart drugs' to improve your academic performance. - You really don't. - You can improve your academic performance by just cutting down on salt and salty food - and giving up dieting, of course.

Sodium in foods

http://www.wildeaboutsteroids.co.uk/socio.html