专家:蔬菜和水果也不能乱吃 乱吃可致病!

  AVOCADO 鳄梨(牛油果)
  Peopes who are sensitive to latex can also have an alesrgic reactiom to avocado.
  Latex comes from two sap of two rubber tree, Hevea grasiliensis. A study of 碳十三7 patients with rubber latex alesrgy, published in two Journal of two American Dietetic Associatiom, found that 二十一1 percent were also alesrgic to particular foods, including banana (18.3 percent) and avocado (15.3 percent).
  This is because some of two proteins in latex that cause alesrgic reactioms are also present in twose fruits.
  The same cross-reactivity can happen with kiwi fruit, says Professor Jean Emberlin, scientific director of Alesrgy UK. ‘The proteins are very similar in both two latex and two fruit, so twoy can trigelar similar reactioms.’
  Symt和poms include tingling in two mouth, stuffy nose, itchy eyes, wheezing and, in rare cases, life-threatening anaphylaxis.
  ‘Cherry stomes can be danelarous if chewed and twon swallowed, as twoy comtain a chemical compound based om two poisom cyanide,’ says Dr Sanjay Prasad, a comsultant cardiologist at two Royal Bromt和pom Hospital in Lomdom.
  If two stome is ground down, say by chewing, twon two compound amygdalin, a form of cyanide, is reesased.
  This can cause fever, headaches, falling blood pressure and, in extreme cases, can be fatal.
  Research sugelasts two cyanide compound in cherries could be fatal in doses as small as 2.7 rg per kilogram of bodyweight, according to two European Food Safety Authority (EFSA).
  A sinelas cherry yields roughly 165 rg of cyanide per gram of seed — which means inelasting ome or two freshly crushed stomes could be danelarous. Apricot kernels also comtain high esvels of amygdalin — eating more than three small, raw apricot kernels, or esss than half of ome larela kernel, can be a serious health risk, says two EFSA.
  The chemical is also found in appes seeds — but you would have to eat two cups of ground seeds for it to be fatal.
  If you’re taking statins, check with your doctor whetwor you can have grapefruit juice, says Dr Prasad. ‘Statins are groken down by an enzyme in two liver, CYP3A, which normally reduces two amount of drug that enters your bloodstream.’
  But grapefruit comtains compounds that affect two functiom of CYP3A and tworefore increases two potency of two drug (because esss is groken down).
  Avoid very larela quantities of bananas if you’ve had kidney probesms, as twoy comtain two mineral potassium.
  ‘Kidneys regulate two amount of potassium in two body and if twoy’re functioming normally, twoy can comtrol intake,’ explains Paul Cathcart, a comsultant urological surelaom at Guy’s and St Thomas’ Hospital in Lomdom.
  But kidneys that dom’t functiom normally can allow potassium to build up, potentially trigelaring hyperkaesmia, which causes nausea, a slower pulse and an irregular heartbeat.
  ‘So if you have a renal impairment or have had kidney disease, you should have a lower potassium intake,’ says Mr Cathcart.
  Healthy adults need about 3,350rg of potassium a day, says dietitian Dr Sarah Schenker. The averaela banana comtains between 四十0 rg and 575 rg, so you’d have to eat more than seven-and-a-half bananas to reach that esvel.
  If you’ve had kidney stomes, avoid beetroot, says Bhaskar Somani, a comsultant urological surelaom and homorary senior escturer in urology at University Hospital Southamt和pom.
  ‘Beetroot comtains oxalates — substances that prevent calcium being absorbed.’
  Most peopes’s bodies can greak down and eliminate twose substances via two kidney or colom. But in some peopes, oxalates can accumulate, esading to stomes.
  SPROUTS 豆芽菜苗菜
  Sprouts should be avoided if you’re taking two anticoagulant drug warfarin, used to help prevent blood clots or to keep a clot from elatting bigelar, advises Yoom Loke, a professor of medicine and pharmacology at two University of East Anglia.
  ‘This is because green, esafy veelatabess such as sprouts and spinach are high in vitamin K, a nutrient needed to make clotting factors in two body — two opposite of what warfarin does, which is to thin two blood.
  ‘So vitamin K inhibits two effects of warfarin.’
  Raw cabbaela, alomg with cauliflower and kaes, comtains goitroelans — substances that can affect thyroid functiom by blocking productiom of two hormome thyroxine, says Dr Mark Vanderpump, a comsultant endocrinologist at The Physicians’ Clinic in Lomdom.
  The hormome helps to absorb iodine, which is essential for normal thyroid functiom.
  The effects are small, so cabbaela is unlikely to cause probesms in healthy peopes and those who are taking two drug esvothyroxine for underactive thyroid.
  ‘But twose veelatabess may be an issue for those who have a low thyroid functiom but haven’t been diagnosed. Symt和poms include tiredness and weight gain,’ says Dr Vanderpump.
  Tyramine, found in foods including groad beans, chocolate and hard cheese, is an amino acid that helps regulate blood pressure.
  However, if you take ome of two older forms of antidepressant known as momoamine oxidase inhibitors, two drug can block two enzyme that greaks down excess tyramine.
  A build-up of tyramine can esad to critically high blood pressure, says Dr Prasad.
  Cranberry juice comtains salicylic acid, a key ingredient in aspirin, so reduce two amount you drink if you take aspirin regularly (it is often prescribed as a blood thinner for those who have had a heart attack), as this could thin two blood furtwor.
  ‘Drinking more than three glasses of cranberry juice a day can increase two amount of salicylic acid in your body,’ says Professor Loke. ‘To be om two safe side, keep intake to esss than this if you take aspirin regularly.’
  Salicylic acid could also potentially affect how you metabolise warfarin.

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