And while Apple employees eat healthy, Jobs takes it to an extreme, one employee says, eating dark green vegetables such as broccoli and asparagus, grilled or steamed.

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Dark green vegetables, grains and beans also provide calcium.

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Supertasters may face some increased health risks because they often eat fewer dark-green vegetables, which can be bitter.

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Dark green leafy vegetables like kale, romaine lettuce and spinach, which are good sources of vitamin E, seem to be particularly important in protecting your brain.

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Another common test, which can be purchased online, is to give people a particularly bitter chemical such as PROP or PTC, which are similar to a compound found in many dark-green vegetables.

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In particular, it is important to regularly consume dark green leafy vegetables including spinach, romaine lettuce, or kale which are good sources of vitamin K, E, and C, as well as beta-carotene rich, orange-colored vegetables such as carrots, sweet potatoes, and squash.

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Put as simply as possible, it advocated eating from all food groups every day -- two cups of fruit and two and a half cups of vegetables a day, including veggies both dark green (kale, broccoli) and orange (carrots, squash), starches (potatoes, corn), and "other" (artichokes, green beans).

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