Walnuts, green tea, spinach, salmon, blueberries, and corn
Photo: © 2009 Jupiterimages Corporation
To stay sharp, try:
  • Grilled salmon
  • Spinach
  • Corn
  • Walnuts
  • Blueberries
  • Green tea

    The science behind it:
    These foods enhance memory and learning, says Fernando Gómez-Pinilla, PhD, a professor in UCLA's neurosurgery department. Omega-3s in salmon and walnuts help nerve cells communicate; antioxidants in spinach and corn (such as vitamin C and flavonoids) optimize brain cell performance; and green tea also helps boost brain function.

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