CARROTS EYES
SLICE a carrot and it looks just like an eye, right down to the pattern of the iris. Its a clear clue to the importance this everyday veg has for vision. Carrots get their orange colour from a plant chemical called betacarotene, which reduces the risk of developing cataracts. The chemical also protects against macular degeneration an age-related sight problem that affects one in four over-65s. It is the most common cause of blindness in Britain. But popping a betacarotene pill doesnt have the same effect, say scientists at Johns Hopkins Hospital in Baltimore
WALNUT BRAIN
THE gnarled folds of a walnut mimic the appearance of a human brain - and provide a clue to the benefits. Walnuts are the only nuts which contain significant amounts of omega-3 fatty acids. They may also help head off dementia. An American study found that walnut extract broke down the protein-based plaques associated with Alzheimers disease. Researchers at Tufts University in Boston found walnuts reversed some signs of brain ageing in rats. Dr James Joseph, who headed the study, said walnuts also appear to enhance signalling within the brain and encourage new messaging links between brain cells.
TOMATO HEART A TOMATO is red and usually has four chambers, just like our heart. Tomatoes are also a great source of lycopene, a plant chemical that reduces the risk of heart disease and several cancers. The Womens Health Study ” an American research programme which tracks the health of 40,000 women ” found women with the highest blood levels of lycopene had 30 per cent less heart disease than women who had very little lycopene. Lab experiments have also shown that lycopene helps counter the effect of unhealthy LDL cholesterol. One Canadian study, published in the journal Experimental Biology and Medicine, said there was œconvincing vidence that lycopene prevented coronary heart disease.
BANANA (SMILE) DEPRESSION
Cheer yourself up and put a smile on your face by eating a banana. The popular fruit contains a protein called tryptophan. Once it has been digested, tryptophan then gets converted in a chemical neurotransmitter called serotonin. This is one of the most important mood-regulating chemicals in the brain and most anti-depressant drugs work by adjusting levels of serotonin production. Higher levels are associated with better moods.
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