Almonds are moderate sources of lean protein -- a 1 oz. serving of blanched almonds provides about 6.07 g of this nutrient, according to the USDA National Nutrient Database. For a 150 lb. person, this amounts to about 11 percent of the recommended daily intake. Protein is essential for energy function, and also helps your body repair brain cells, notes Phyllis Balch, author of "Prescription for Nutritional Healing." Protein's role in bZinc is a mineral that boosts immune system function, which may prevent bacterial and viral infections that can damage brain cells, according to Balch. This mineral is also an antioxidant, and may protect brain cells from attack by free radical molecules and oxidated lipids in your bloodstreamrain cell repair may help improve cognitive function, including memory.