Page 26 - BBC - The Scientific Guide to a Healthier You
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DIET









             INSTANT EXPERT




             EVERYDAY HEROES


             They’re not new or exotic, and they don’t always grab the headlines. But if these

             widely available ‘superfoods’ aren’t already in your kitchen, they should be…






                                               GARLIC                                                                   EXTRA-VIRGIN OLIVE OIL

                                               It may be better known for the                                           A Mediterranean mainstay,
                                               effect it has your breath, but                                           the healthy fats in this oil cut
                                               there is evidence the bulb can                                           cardiovascular disease and
                                               lower blood pressure and                                                 inflammation. But don’t fry
                                               cholesterol, plus even prevent                                           with it, as high heat damages
                                               colds and certain cancers.                                               its nutrients.




                                               BROCCOLI                                                                 APPLE
                                               Containing high levels of vitamin                                        As well as being high in
                                               C and folate (natural folic acid),                                       antioxidants and fibre, apples
                                               this fibrous cruciferous                                                 have also been associated with
                                               vegetable can stem cholesterol                                           reduced risk of cardiovascular
                                               and triglycerides, which cause                                           disease, diabetes, asthma and
                                               cardiovascular disease.                                                  some cancers.




                                               ONION                                                                    WALNUT

                                               A member of the allium family,                                           This has the highest antioxidant
                                               it contains a potent anti-                                               levels of any nut and is the only
                                               inflammatory antioxidant called                                          one with a significant amount
                                               quercetin, which reduces blood                                           of omega-3. There is also some
                                               pressure and lowers the risk                                             evidence to suggest it could help
                                               of cancer.                                                               stave off cardiovascular disease.




                                               TOMATO                                                                   BEETROOT
                                               Technically a fruit, it is low in                                        Not only rich in iron and folate,
                                               starch and sugar, but high in                                            beetroot contains nitrates that
                                               fibre, vitamin C, beta-carotene                                          help to lower blood pressure. In
                                               and a potent antioxidant called                                          some studies it has also been
                                               lycopene. Cooking in olive oil                                           shown to improve exercise
                                               increases its absorption.                                                performance.




                                               SPINACH                                                                  SALMON
                                               Popeye’s preferred superfood                                             Oily fish reduces cardiovascular
                                               packs high levels of bone-                                               disease risk, lowering blood
                                               strengthening calcium and                                                pressure and lubricating arterial
                                               vitamin K, as well as vitamin A.                                         fat build-up. Salmon is high in
                                               And it contains almost as much                                           omega-3, vitamin D, some B
                                               iron as beef.                                                            vitamins and selenium.






          26  BBC SCIENCE FOCUS MAGAZINE COLLECTION
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