Nutrition fact labels are good but confusing, consumers say. iStockphoto.com hide caption

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An older man performs exercises in Mumbai, India. Research suggests that moderate physical exercise may be the best way to keep our brains healthy as we age. Rajesh Kumar Singh/AP hide caption

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Organic apples hang from trees in an orchard in Forest Range, Adelaide Hills, South Australia. donkeycart/via Flickr hide caption

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You could cut up to half the fat from chocolate without sacrificing taste by infusing it with fruit juice, scientists say. iStockphoto hide caption

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Nestle makes a range of products under the Boost brand marketed as liquid nutritional supplements or meal replacements. But nutritionists say they can't compete with all the benefits of eating real food. iStockphoto.com hide caption

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