The short answer is yes, humans can eat acorns. But unlike the squirrels you may see chowing down on one outside, humans need acorns to be cooked prior to consumption.
Examples of these include asparagus, onions, leeks, garlic, chicory root, bananas, yams, beans, oats and wheat. Sunflower seeds are a useful way to get some Vitamin E in your system which can help ...